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 A090002 Length of longest contiguous block of 1's in binary expansion of n-th triangular number. 7
 0, 1, 2, 2, 1, 4, 1, 3, 1, 2, 3, 1, 3, 2, 2, 4, 1, 2, 2, 5, 2, 3, 6, 1, 2, 1, 5, 4, 2, 2, 3, 5, 1, 2, 2, 3, 2, 6, 3, 2, 2, 3, 3, 3, 4, 2, 3, 2, 2, 2, 5, 3, 2, 3, 3, 2, 4, 3, 4, 3, 3, 3, 4, 6, 1, 2, 2, 3, 1, 4, 2, 7, 1, 2, 3, 2, 3, 3, 2, 2, 2, 5, 2, 4, 5, 3, 3, 4, 4, 5, 12, 2, 2, 2, 3, 3, 2, 1, 4, 2, 3, 5 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS a(n) = A038374(A000217(n)). LINKS Antti Karttunen, Table of n, a(n) for n = 0..16384 CROSSREFS Cf. A000120, A090001, A090003, A089999, A090048. Sequence in context: A197250 A275578 A112085 * A061298 A276468 A002126 Adjacent sequences:  A089999 A090000 A090001 * A090003 A090004 A090005 KEYWORD nonn,base AUTHOR Reinhard Zumkeller, Nov 20 2003 STATUS approved

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Last modified May 22 14:32 EDT 2019. Contains 323480 sequences. (Running on oeis4.)