A164877 First bisection of A164869.

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

Offset: 0

Author

Paul Curtz, Aug 29 2009

Keywords

• nonn

Comments

All entries are multiples of 12.

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

Formula

a(n) = A164869(2n).

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

Extensions

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