id:A134662 - OEIS Search Results

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Number of odd coefficients in (1+x+x^4)^n.

+0
1

1, 3, 3, 9, 3, 7, 9, 17, 3, 9, 7, 21, 9, 17, 17, 33, 3, 9, 9, 27, 7, 17, 21, 43, 9, 27, 17, 51, 17, 35, 33, 67, 3, 9, 9, 27, 9, 21, 27, 51, 7, 21, 17, 51, 21, 41, 43, 83, 9, 27, 27, 81, 17, 43, 51, 113, 17, 51, 35, 105, 33, 67, 67, 137, 3, 9, 9, 27, 9, 21, 27, 51, 9, 27, 21, 63, 27, 51 (list; graph; listen)

	OFFSET	`0,2`
	LINKS	`S. Finch, P. Sebah and Z.-Q. Bai, Odd Entries in Pascal's Trinomial Triangle (arXiv:0802.2654)`
	MATHEMATICA	`PolynomialMod[(1+x+x^4)^n, 2] /. x->1`
	CROSSREFS	`Cf. A071053.` `Adjacent sequences: A134659 A134660 A134661 this_sequence A134663 A134664 A134665` `Sequence in context: A074724 A109932 A071909 this_sequence A048883 A036553 A068219`
	KEYWORD	`nonn`
	AUTHOR	`Steven Finch (Steven.Finch(AT)inria.fr), Jan 25 2008`

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Last modified January 8 02:43 EST 2009. Contains 152824 sequences.

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