id:A091392 - OEIS Search Results

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Product_{ p | N } (1 + Legendre(-2,p) ).

+0
2

1, 1, 2, 1, 0, 2, 0, 1, 2, 0, 2, 2, 0, 0, 0, 1, 2, 2, 2, 0, 0, 2, 0, 2, 0, 0, 2, 0, 0, 0, 0, 1, 4, 2, 0, 2, 0, 2, 0, 0, 2, 0, 2, 2, 0, 0, 0, 2, 0, 0, 4, 0, 0, 2, 0, 0, 4, 0, 2, 0, 0, 0, 0, 1, 0, 4, 2, 2, 0, 0, 0, 2, 2, 0, 0, 2, 0, 0, 0, 0, 2, 2, 2, 0, 0, 2, 0, 2, 2, 0, 0, 0, 0, 0, 0, 2, 2, 0, 4, 0, 0, 4, 0, 0, 0 (list; graph; listen)

	OFFSET	`1,3`
	MAPLE	`with(numtheory); L := proc(n, N) local i, t1, t2; t1 := ifactors(n)[2]; t2 := mul((1+legendre(N, t1[i][1])), i=1..nops(t1)); end; [seq(L(n, -2), n=1..120)];`
	CROSSREFS	`Cf. A091379.` `Sequence in context: A143614 A071412 A080884 this_sequence A036577 A002325 A129134` `Adjacent sequences: A091389 A091390 A091391 this_sequence A091393 A091394 A091395`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Mar 02 2004`

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.

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