A059577 Main diagonal of the array A059574.

1, 4, 87, 4239, 385422, 56304887, 12069075787, 3566873953872, 1389853778362041, 690363881963396569, 425768137345317003930, 319198739428765958327137, 285884881894650500659218725, 301473688731974642805982034540, 369723877220104937359593829963363

Offset

1,2

Links

Table of n, a(n) for n=1..15.

Crossrefs

Sequence in context: A116320 A220277 A122209 * A239007 A254652 A028554

Adjacent sequences: A059574 A059575 A059576 * A059578 A059579 A059580

Keyword

easy,nonn

Author

Floor van Lamoen, Jan 23 2001

Extensions

More terms from Sean A. Irvine, Sep 29 2022

Status

approved