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Search: id:A138096
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| A138096 |
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Mendeleyev-Seaborg periodic table of the elements,atomic numbers:the 2 principal 32 columns extensions.118 terms. Numbers of elements in every column.Second extension. |
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+0
3
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| 7, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 6, 6, 6, 6, 6, 7
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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First extension in A134982,3rd and 17th columns swapped.2 7's, 6 6's, 10 4's, 14 2's;note 2, 2+6=8, 2+6+10=18, 2+6+10+14=32, see A137583 and A093907. See also A134984,A135559.
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FORMULA
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Based on second table. First:
1................................................................................................................2
3..4.........................................................................................5...6...7...8...9..10
11.12.......................................................................................13..14..15..16..17..18
19.20.21................................................22..23..24..25..26..27..28..29..30..31..32..33..34..35..36
37.38.39................................................40..41..42..43..44..45..46..47..48..49..50..51..52..53..54
55.56.57.58.59.60.61.62.63.64.65.66.67..68..69..70..71..72..73..74..75..76..77..78..79..80..81..82..83..84..85..86
87.88.89.90.91.92.93.94.95.96.97.98.99.100.101.102.103.104.105.106.107.108.109.110.111.112.113.114.115.116.117.118
In the second, 21 and 39 jump from third to seventeenth column,same rows(just before 22 40). Normal with special status of scandium and yttrium in (beginning) transition metals.
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CROSSREFS
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Adjacent sequences: A138093 A138094 A138095 this_sequence A138097 A138098 A138099
Sequence in context: A152722 A100082 A152861 this_sequence A011102 A068469 A073011
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KEYWORD
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nonn,uned
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AUTHOR
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Paul Curtz (bpcrtz(AT)free.fr), May 03 2008
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