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Search: id:A133280
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| A133280 |
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Triangle formed by: 1 even, 2 odd, 3 even, 4 odd... starting with zero. |
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+0
1
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| 0, 1, 3, 4, 6, 8, 9, 11, 13, 15, 16, 18, 20, 22, 24, 25, 27, 29, 31, 33, 35, 36, 38, 40, 42, 44, 46, 48, 49, 51, 53, 55, 57, 59, 61, 63, 64, 66, 68, 70, 72, 74, 76, 78, 80, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 100, 102, 104, 106, 108, 110, 112, 114, 116, 118, 120
(list; table; graph; listen)
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OFFSET
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0,3
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COMMENT
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This sequence is related to the Connell sequence (A001614).
First member of every row is a square (A000290).
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EXAMPLE
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Triangle begins:
0
1, 3
4, 6, 8
9, 11, 13, 15
16, 18, 20, 22, 24
25, 27, 29, 31, 33, 35
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CROSSREFS
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Cf. A000290, A001614, A005563.
Adjacent sequences: A133277 A133278 A133279 this_sequence A133281 A133282 A133283
Sequence in context: A061402 A047206 A081031 this_sequence A138097 A000592 A138924
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KEYWORD
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easy,nonn,tabl
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AUTHOR
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Omar E. Pol (info(AT)polprimos.com), Aug 27 2008
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