id:A133883 - OEIS Search Results

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Binomial(n+3,n) mod 3^2.

+0
6

1, 4, 1, 2, 8, 2, 3, 3, 3, 4, 7, 4, 5, 2, 5, 6, 6, 6, 7, 1, 7, 8, 5, 8, 0, 0, 0, 1, 4, 1, 2, 8, 2, 3, 3, 3, 4, 7, 4, 5, 2, 5, 6, 6, 6, 7, 1, 7, 8, 5, 8, 0, 0, 0, 1, 4, 1, 2, 8, 2, 3, 3, 3, 4, 7, 4, 5, 2, 5, 6, 6, 6, 7, 1, 7, 8, 5, 8, 0, 0, 0, 1, 4, 1, 2, 8, 2, 3, 3, 3, 4, 7, 4, 5, 2, 5, 6, 6, 6, 7, 1, 7, 8, 5, 8 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Periodic with length 3^3=27.`
	FORMULA	`a(n)=binomial(n+3,3) mod 3^2.` `G.f. g(x)=(1+x^2+x^19+2x^3(1+x^2+x^10)+3x^6(1+x+x^2)+4x(1+x^8+x^10)+5x^12(1+x^2+x^9)+6x^15(1+x+x^2)+7x^10(1+x^8+x^10)+8x^4(1+x^17+x^19))/(1-x^27).`
	CROSSREFS	`Cf. A000040, A133620-A133625, A133630, A133633-A133636.` `Cf. A133873, A133880, A133890, A133900, A133910.` `Cf. For the sequence regarding "Binomial(n+3, n) mod 3" see A133873.` `Sequence in context: A120578 A096249 A081454 this_sequence A004160 A128077 A128078` `Adjacent sequences: A133880 A133881 A133882 this_sequence A133884 A133885 A133886`
	KEYWORD	`nonn`
	AUTHOR	`Hieronymus Fischer (Hieronymus.Fischer(AT)gmx.de), Oct 10 2007`

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Last modified December 4 21:35 EST 2008. Contains 151309 sequences.

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