A045872 a(n) = A006792(n)/2.

1, 0, 0, 0, 0, 2, 4, 0, 2, 0, 41, 0, 0, 0, 56, 0, 66, 0

Offset

10,6

Links

Table of n, a(n) for n=10..27.

Crossrefs

Sequence in context: A005657 A009332 A333184 * A154463 A011165 A188672

Adjacent sequences: A045869 A045870 A045871 * A045873 A045874 A045875

Keyword

nonn

Author

N. J. A. Sloane

Status

approved