A134590 A modified Heron sequence starting from 2,5.

2, 5, 63, 112, 140, 315, 364, 1261, 3025260, 3730654144, 5513566500, 28558451740

Offset

1,1

Links

Table of n, a(n) for n=1..12.

Paul Yiu, K. R. S. Sastry, Shanzhen Gao, Heron sequences and their modifications.

Paul Yiu, K. R. S. Sastry and Shanzhen Gao, Heron Sequences, presented on the 2007 Integers Conference and INTEGERS - Electronic Journal of Combinatorial Number Theory, Article 16 Volume 9 Supplement (2009).

Crossrefs

Cf. A134587, A134588, A134589.

Sequence in context: A250195 A041069 A217053 * A012978 A012949 A027667

Adjacent sequences: A134587 A134588 A134589 * A134591 A134592 A134593

Keyword

nonn,more

Author

Shanzhen Gao, Nov 02 2007

Extensions

a(8)-a(12) from Rémy Sigrist, Jun 03 2019

Status

approved