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A134589
A modified Heron sequence starting from 1,3.
1
1, 3, 12, 49, 108, 243, 624, 1681, 5616, 47628, 49300, 27361200, 29949750, 920048500, 1054364310, 1278524208, 9992125972
OFFSET
1,2
LINKS
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
Sequence in context: A226443 A304560 A060113 * A371436 A178872 A323263
KEYWORD
nonn,more
AUTHOR
Shanzhen Gao, Nov 02 2007
EXTENSIONS
a(8)-a(17) from Rémy Sigrist, Jun 03 2019
STATUS
approved