A098448 Row sums of triangle A098447, in which diagonal n equals column 0 of the (n+1)-th matrix power of A098447.

1, 2, 4, 9, 24, 79, 340, 2090, 20613, 374593, 14797043, 1558788465, 568317523370, 1002992052280356, 13173490079341336160, 2227644152149802108130325, 9740856579902962818887540217002

Offset

0,2

Links

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

Crossrefs

Cf. A098447.

Sequence in context: A343032 A210342 A137154 * A006406 A097656 A324148

Adjacent sequences: A098445 A098446 A098447 * A098449 A098450 A098451

Keyword

nonn

Author

Paul D. Hanna, Sep 07 2004

Status

approved