A099934 Antidiagonal sums of array A007754.

1, 2, 4, 11, 41, 195, 1130, 7716, 60599, 537676, 5316162, 57940107, 689965123, 8911606493, 124072525780, 1852176280208, 29510747957549, 499830538998126, 8967438954008720, 169881509587167555

Offset

0,2

Links

Table of n, a(n) for n=0..19.

Mathematica

a[0] = 1; a[1] = 2; a[n_]/; n>=2 := a[n] = n a[n-1] - a[n-2] + 1; Table[a[n], {n, 0, 15}] - David Callan, Jul 22 2008

Crossrefs

Sequence in context: A013170 A094762 A295772 * A067353 A105996 A213937

Adjacent sequences: A099931 A099932 A099933 * A099935 A099936 A099937

Keyword

nonn

Author

Ralf Stephan, Nov 06 2004

Status

approved