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Search: id:A105813
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| A105813 |
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Slowest increasing and self-describing sequence: first 2 digits are the same, followed by 2 different, then 3 same digits, then 2 different, then 4 same, then 4 different, then 4 same, then 5 different, etc. |
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+0
1
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| 2, 23, 24, 44, 52, 55, 552, 563, 666, 672, 683, 772, 834, 922, 2223, 2456, 3333, 3423
(list; graph; listen)
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OFFSET
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2,1
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EXAMPLE
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2 23 24 44 52 55 552 563 666 672 683 772 834 922 2223 2456 3333 3423 33...
^ ^- -^ ^^ -- ^^ ^^- --- ^^^ ^-- --- ^^- --- -^^ ^^^- ---- ^^^^ ^--
.2..2...3...2...4....4.....4....5.....2...5......5.....5......5...2....
.=..#...=...#...=....#.....=....#.....=...#......=.....#......=...#
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CROSSREFS
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Sequence in context: A084323 A131983 A153718 this_sequence A086557 A042797 A041649
Adjacent sequences: A105810 A105811 A105812 this_sequence A105814 A105815 A105816
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KEYWORD
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base,easy,nonn
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AUTHOR
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Eric Angelini (eric.angelini(AT)kntv.be), May 05 2005
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