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Search: id:A115526
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| 1, 1, -1, 1, 0, 1, 1, 0, 1, -1, 1, -1, 0, 0, 1, 1, -1, 0, 0, 1, -1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, -1, 1, 0, 1, -1, 0, 0, 0, 0, 1, 1, 0, 1, -1, 0, 0, 0, 0, 1, -1, 1, -1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, -1, 0, 0, 1, 0, 0, 0, 0, 0, 1, -1, 1, -1, 0, 0, 1, -1, 0, 0, 0, 0, 0, 0, 1, 1, -1, 0, 0, 1, -1, 0, 0, 0, 0, 0, 0, 1, -1, 1, 0, 1, 0, 0, 0, 1
(list; table; graph; listen)
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OFFSET
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0,1
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COMMENT
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Row sums are number of zeros in binary expansion of n+2, that is, A023416(n+2) [conjecture].
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EXAMPLE
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Triangle begins
1,
1, -1,
1, 0, 1,
1, 0, 1, -1,
1, -1, 0, 0, 1,
1, -1, 0, 0, 1, -1,
1, 0, 1, 0, 0, 0, 1,
1, 0, 1, 0, 0, 0, 1, -1,
1, 0, 1, -1, 0, 0, 0, 0, 1,
1, 0, 1, -1, 0, 0, 0, 0, 1, -1,
1, -1, 0, 0, 1, 0, 0, 0, 0, 0, 1,
1, -1, 0, 0, 1, 0, 0, 0, 0, 0, 1, -1,
1, -1, 0, 0, 1, -1, 0, 0, 0, 0, 0, 0, 1,
1, -1, 0, 0, 1, -1, 0, 0, 0, 0, 0, 0, 1, -1,
1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1,
1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, -1,
1, 0, 1, 0, 0, 0, 1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 1
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CROSSREFS
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Sequence in context: A113998 A070909 A115954 this_sequence A054524 A110471 A103994
Adjacent sequences: A115523 A115524 A115525 this_sequence A115527 A115528 A115529
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KEYWORD
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sign,tabl
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AUTHOR
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Paul Barry (pbarry(AT)wit.ie), Jan 25 2006
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