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A158360 a(n) = A145511(n) - A145501(n). 3
0, -2, 0, 0, 0, -6, 0, 6, 0, -6, 0, 0, 0, -6, 0, 12, 0, -12, 0, 0, 0, -6, 0, 18, 0, -6, 0, 0, 0, -18, 0, 18, 0, -6, 0, 0, 0, -6, 0, 18, 0, -18, 0, 0, 0, -6, 0, 36, 0, -12, 0, 0, 0, -20, 0, 18, 0, -6, 0, 0, 0, -6, 0, 24, 0, -18, 0, 0, 0, -18, 0, 36, 0, -6, 0, 0, 0, -18, 0, 36, 0, -6, 0, 0, 0, -6, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

PROG

(PARI)

up_to = 65537;

t1 = direuler(p=2, up_to, 1/(1-X)^3);

t2 = direuler(p=2, 2, 1+1*X^2+4*X^4, up_to);

t3 = direuler(p=2, 2, 1-2*X^1+7*X^2, up_to);

v145501 = dirmul(t1, t2);

v145511 = dirmul(t1, t3);

A158360(n) = (v145511[n] - v145501[n]); \\ (after code in A145501 and A145511) - Antti Karttunen, Sep 27 2018

CROSSREFS

Cf. A145444, A145501, A145511, A158327, A158801.

Sequence in context: A262679 A326390 A053203 * A309746 A094315 A212148

Adjacent sequences:  A158357 A158358 A158359 * A158361 A158362 A158363

KEYWORD

sign

AUTHOR

Paul Curtz, Mar 17 2009

EXTENSIONS

Edited and extended by R. J. Mathar, Apr 08 2009

STATUS

approved

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Last modified April 4 07:32 EDT 2020. Contains 333213 sequences. (Running on oeis4.)