Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #7 Sep 09 2017 10:31:43
%S 1,1,2,6,27,225,5273,684632,1490340903
%N Number of terms in row n of A113730 when interpreted as a triangle.
%C a(n+1) is also the row sum of row n of A113730.
%Y Cf. A001462 (Golomb's sequence), A113723, A113725, A113676.
%Y First differences of A113734.
%K nonn,more
%O 1,3
%A _Floor van Lamoen_ and _Paul D. Hanna_, Nov 08 2005