%I #12 Jun 03 2019 12:28:32
%S 1,3,12,49,108,243,624,1681,5616,47628,49300,27361200,29949750,
%T 920048500,1054364310,1278524208,9992125972
%N A modified Heron sequence starting from 1,3.
%H Paul Yiu, K. R. S. Sastry and Shanzhen Gao, <a href="http://www.westga.edu/~integers/j16proc/j16proc.pdf">Heron Sequences</a>, presented on the 2007 Integers Conference and INTEGERS - Electronic Journal of Combinatorial Number Theory, Article 16 Volume 9 Supplement (2009).
%Y Cf. A134587, A134588.
%K nonn,more
%O 1,2
%A _Shanzhen Gao_, Nov 02 2007
%E a(8)-a(17) from _Rémy Sigrist_, Jun 03 2019
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