A158327 a(n) = A145444(n)-A145511(n).

0, 2, 0, 2, 0, 6, 0, 2, 0, 6, 0, 6, 0, 6, 0, 2, 0, 12, 0, 6, 0, 6, 0, 6, 0, 6, 0, 6, 0, 18, 0, 2, 0, 6, 0, 12, 0, 6, 0, 6, 0, 18, 0, 6, 0, 6, 0, 6, 0, 12, 0, 6, 0, 20, 0, 6, 0, 6, 0, 18, 0, 6, 0, 2, 0, 18, 0, 6, 0, 18, 0, 12, 0, 6, 0, 6, 0, 18, 0, 6, 0, 6, 0, 18, 0, 6, 0, 6, 0, 36, 0, 6, 0, 6, 0, 6, 0, 12, 0

Offset

1,2

Links

Antti Karttunen, Table of n, a(n) for n = 1..65537

Prog

(PARI) t1=direuler(p=2, 200, 1/(1-X)^3) ; t2=direuler(p=2, 2, 1+3*X^2+2*X^3, 200) ; a444=dirmul(t1, t2) ; t3=direuler(p=2, 2, 1-2*X^1+7*X^2, 200) ; a511=dirmul(t1, t3); a444-a511 ; print(%) ; \\ R. J. Mathar, Apr 22 2009

Crossrefs

Cf. A145444, A145511, A158315, A158360.

Sequence in context: A037228 A002117 A042970 * A368707 A136581 A364558

Adjacent sequences: A158324 A158325 A158326 * A158328 A158329 A158330

Keyword

nonn

Author

Paul Curtz, Mar 16 2009

Extensions

More terms from R. J. Mathar, Apr 22 2009

Status

approved