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A158801 a(n) = A145444(n) - A145501(n). 2
0, 0, 0, 2, 0, 0, 0, 8, 0, 0, 0, 6, 0, 0, 0, 14, 0, 0, 0, 6, 0, 0, 0, 24, 0, 0, 0, 6, 0, 0, 0, 20, 0, 0, 0, 12, 0, 0, 0, 24, 0, 0, 0, 6, 0, 0, 0, 42, 0, 0, 0, 6, 0, 0, 0, 24, 0, 0, 0, 18, 0, 0, 0, 26, 0, 0, 0, 6, 0, 0, 0, 48, 0, 0, 0, 6, 0, 0, 0, 42, 0, 0, 0, 18, 0, 0, 0, 24, 0, 0, 0, 6, 0, 0, 0, 60, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
LINKS
PROG
(PARI)
up_to = 1001;
t1=direuler(p=2, up_to, 1/(1-X)^3);
t2=direuler(p=2, 2, 1+3*X^2+2*X^3, up_to);
t3=dirmul(t1, t2); \\ For A145444
u1=direuler(p=2, up_to, 1/(1-X)^3);
u2=direuler(p=2, 2, 1+1*X^2+4*X^4, up_to);
u3=dirmul(u1, u2); \\ For A145501
A158801(n) = (t3[n]-u3[n]); \\ Antti Karttunen, Jul 21 2018
CROSSREFS
Sequence in context: A231285 A268729 A182317 * A266208 A266158 A272822
KEYWORD
nonn
AUTHOR
Paul Curtz, Mar 27 2009
EXTENSIONS
Edited and extended by R. J. Mathar, Apr 08 2009
STATUS
approved

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Last modified April 23 19:56 EDT 2024. Contains 371916 sequences. (Running on oeis4.)