A215929 Terms of A002336 of the form (2^k - 2)*(2*k - 2) for some k.

0, 2, 24, 240, 196560

Offset

1,2

Links

Table of n, a(n) for n=1..5.

Crossrefs

Cf. A002336.

Sequence in context: A366155 A228619 A252764 * A132596 A099669 A019520

Adjacent sequences: A215926 A215927 A215928 * A215930 A215931 A215932

Keyword

nonn,more

Author

Raphie Frank, Aug 27 2012

Status

approved