A108042 Leading diagonal of triangle A108041.

1, 1, 2, 7, 42, 443, 8473, 302615, 20667866, 2746018153, 717844380672, 371804591916373, 383132488758103018, 787329849067164994524, 3230799141690805716086494, 26492531918877575209777027523, 434278730987058524389013641832164, 14234353051803016490396754839888900505

Offset

0,3

Links

Table of n, a(n) for n=0..17.

Crossrefs

Sequence in context: A352258 A005130 A091669 * A152559 A267239 A001174

Adjacent sequences: A108039 A108040 A108041 * A108043 A108044 A108045

Keyword

nonn

Author

N. J. A. Sloane, Jun 01 2005

Status

approved