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A164877 First bisection of A164869. 2
0, 12, 120, 252, 240, 660, 32760, 84, 8160, 14364, 6600, 3036, 65520, 156, 24360, 429660, 16320, 204, 69090840, 228, 541200, 75852, 30360, 12972, 2227680, 3300, 82680, 43092, 48720, 20532, 3407203800, 372, 32640, 4271652, 2040, 328020, 10087262640 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

All entries are multiples of 12.

a(n) = A006953(n) * A111008(n), n>0.

LINKS

Table of n, a(n) for n=0..36.

FORMULA

a(n) = A164869(2n).

a(n) = A002445(n) * A005843(n).

CROSSREFS

Sequence in context: A076633 A110423 A006953 * A121032 A188251 A093334

Adjacent sequences:  A164874 A164875 A164876 * A164878 A164879 A164880

KEYWORD

nonn

AUTHOR

Paul Curtz, Aug 29 2009

EXTENSIONS

Edited and extended by R. J. Mathar, Sep 03 2009

STATUS

approved

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Last modified October 13 16:10 EDT 2019. Contains 327966 sequences. (Running on oeis4.)