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 A115526 Inverse of number triangle A115524. 2
 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; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Row sums are number of zeros in binary expansion of n+2, that is, A023416(n+2) [conjecture]. LINKS EXAMPLE 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 CROSSREFS Sequence in context: A182741 A070909 A115954 * A239681 A054524 A110471 Adjacent sequences:  A115523 A115524 A115525 * A115527 A115528 A115529 KEYWORD sign,tabl AUTHOR Paul Barry, Jan 25 2006 STATUS approved

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Last modified October 16 15:31 EDT 2019. Contains 328101 sequences. (Running on oeis4.)