A091794 First column of A091793.

2, 8, 64, 2527, 60071, 1627936, 124324222, 1694579069, 446626220077, 73706596563646, 177223661334776, 171986625946535467, 3290057629552053439, 551042196782556679292, 71028805196838414285466

Offset

0,1

Links

Table of n, a(n) for n=0..14.

Formula

a(n) = A061431(n)+1+n*(n-1)/2. - David Wasserman, Dec 22 2005

Crossrefs

Cf. A091793, A091795.

Sequence in context: A255133 A073113 A361007 * A013134 A009602 A248028

Adjacent sequences: A091791 A091792 A091793 * A091795 A091796 A091797

Keyword

nonn

Author

Amarnath Murthy, Feb 18 2004

Extensions

More terms from David Wasserman, Dec 22 2005

Status

approved