0,4

Also the number of positive odd solutions to equation a^2 + 2*b^2 + 3*c^2 + 4*d^2 + 6*e^2 + 12*f^2 = 8*n + 28. - Seiichi Manyama, May 29 2017

Seiichi Manyama, Table of n, a(n) for n = 0..10000

Sequence in context: A144216 A127938 A131990 * A033795 A222403 A033783

Adjacent sequences: A033768 A033769 A033770 * A033772 A033773 A033774

nonn

N. J. A. Sloane

More terms from Seiichi Manyama, May 22 2017

approved