A069717 B referred to in A056600.

2, 21, 231, 15686, 397358, 35750533, 3218793466

Offset

1,1

Links

Table of n, a(n) for n=1..7.

Crossrefs

Cf. A056600.

Sequence in context: A023812 A062813 A024231 * A036679 A134490 A045726

Adjacent sequences: A069714 A069715 A069716 * A069718 A069719 A069720

Keyword

more,nonn

Author

David Wasserman, Apr 02 2002

Extensions

Corrected a(5) and added a(6) from Lars Blomberg, Oct 17 2015

a(7) from Lars Blomberg, Oct 20 2015

Status

approved