|
%I #11 Mar 31 2024 17:13:53
%S 0,1,5,26,133,708,3860,21604,123266,715216,4206956,25032840,150413322,
%T 911379384,5562367173,34164355715,211015212580,1309815397995,
%U 8166460799097,51120054233490,321156223592865,2024257417808379,12797201858645100,81125118975874896,515573991508620164,3284258706735132028
%N a(n) = A047769(2n).
%K nonn
%O 1,3
%A _N. J. A. Sloane_
|
