id:A036555 - OEIS Search Results

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Number of bits of 3n in base 2.

+0
5

0, 2, 2, 2, 2, 4, 2, 3, 2, 4, 4, 2, 2, 4, 3, 4, 2, 4, 4, 4, 4, 6, 2, 3, 2, 4, 4, 3, 3, 5, 4, 5, 2, 4, 4, 4, 4, 6, 4, 5, 4, 6, 6, 2, 2, 4, 3, 4, 2, 4, 4, 4, 4, 6, 3, 4, 3, 5, 5, 4, 4, 6, 5, 6, 2, 4, 4, 4, 4, 6, 4, 5, 4, 6, 6, 4, 4, 6, 5, 6, 4, 6, 6, 6, 6, 8, 2, 3, 2, 4, 4, 3, 3, 5, 4, 5, 2, 4, 4 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`a(n) is also the largest integer such that 2^a(n) divides binomial(6n,3n)=A066802(n) - Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 27 2002`
	LINKS	`T. D. Noe, Table of n, a(n) for n=0..1000` `S. Finch, P. Sebah and Z.-Q. Bai, Odd Entries in Pascal's Trinomial Triangle (arXiv:0802.2654)` `Michael Gilleland, Some Self-Similar Integer Sequences`
	MATHEMATICA	`Plus@@IntegerDigits[3n, 2]`
	CROSSREFS	`Cf. A036556, A036557.` `Cf. A099033.` `Adjacent sequences: A036552 A036553 A036554 this_sequence A036556 A036557 A036558` `Sequence in context: A098219 A061389 A138011 this_sequence A046927 A084718 A037445`
	KEYWORD	`nonn,base,nice`
	AUTHOR	`Hoey(AT)AIC.NRL.Navy.Mil`

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.

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