A144349 Second column (m=2) of triangle S2p(-5) = A013988.

1, 15, 295, 7425, 229405, 8423415, 358764175, 17398082625, 946762033525, 57141470006775, 3788581132110775, 273749937606770625, 21411992601604730125, 1802522188780330392375, 162501272634914703865375, 15620379109661843174282625, 1594837561754271113467313125

Offset

0,2

Links

Table of n, a(n) for n=0..16.

Formula

a(n) = A013988(n+2,2), n>=0.

Crossrefs

Cf. A013988, A008543(n-1) (m=1 column), A144350 (m=3 column).

Sequence in context: A231792 A201029 A201341 * A009064 A049381 A051691

Adjacent sequences: A144346 A144347 A144348 * A144350 A144351 A144352

Keyword

nonn,easy

Author

Wolfdieter Lang, Oct 09 2008

Status

approved