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 A158327 a(n) = A145444(n)-A145511(n). 3

%I

%S 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,

%T 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,

%U 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

%N a(n) = A145444(n)-A145511(n).

%H Antti Karttunen, <a href="/A158327/b158327.txt">Table of n, a(n) for n = 1..65537</a>

%o (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

%Y Cf. A145444, A145511, A158315, A158360.

%K nonn

%O 1,2

%A _Paul Curtz_, Mar 16 2009

%E More terms from _R. J. Mathar_, Apr 22 2009

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Last modified March 28 15:12 EDT 2020. Contains 333089 sequences. (Running on oeis4.)