id:A133882 - OEIS Search Results

Search: id:A133882

Displaying 1-1 of 1 results found.

page 1

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

+0
5

1, 3, 2, 2, 3, 1, 0, 0, 1, 3, 2, 2, 3, 1, 0, 0, 1, 3, 2, 2, 3, 1, 0, 0, 1, 3, 2, 2, 3, 1, 0, 0, 1, 3, 2, 2, 3, 1, 0, 0, 1, 3, 2, 2, 3, 1, 0, 0, 1, 3, 2, 2, 3, 1, 0, 0, 1, 3, 2, 2, 3, 1, 0, 0, 1, 3, 2, 2, 3, 1, 0, 0, 1, 3, 2, 2, 3, 1, 0, 0, 1, 3, 2, 2, 3, 1, 0, 0, 1, 3, 2, 2, 3, 1, 0, 0, 1, 3, 2, 2, 3, 1, 0, 0, 1 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Periodic with length 2^3=8.`
	FORMULA	`a(n)=binomial(n+2,2) mod 2^2.` `G.f. g(x)=(1+3x+2x^2+2x^3+3x^4+x^5)/(1-x^8).` `G.f. g(x)=(1+x)(1+2x+2x^3+x^4)/(1-x^8)=(1+2x+2x^3+x^4)/((1-x)(1+x^2)(1+x^4))` `a(n)=A105198(n+1). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jun 08 2008`
	CROSSREFS	`Cf. A000040, A133620-A133625, A133630, A133633-A133636.` `Cf. A133872, A133880, A133890, A133900, A133910.` `For the sequence regarding "binomial(n+2, n) mod 2" see A133872.` `Adjacent sequences: A133879 A133880 A133881 this_sequence A133883 A133884 A133885` `Sequence in context: A073756 A006379 A105198 this_sequence A092106 A052901 A127807`
	KEYWORD	`nonn`
	AUTHOR	`Hieronymus Fischer (Hieronymus.Fischer(AT)gmx.de), Oct 10 2007`

page 1

Search completed in 0.002 seconds

Last modified October 6 15:49 EDT 2008. Contains 144667 sequences.

AT&T Labs Research