Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.
%I
%S 1,1,1,1,12,1,1,24,1,1,154,98,40,1,252,138,1,567,390,60,1,957,1,2112,
%T 825,319,84,1,1144,403,1,6006,1547,112,1,1,30030,23452,14560,7098,
%U 2660,740,144,1,53482,38012,21658,9758,3400,884,1,114257,91494,59670,31416
%N (Terms in A029627)/2.
%Y A029627, A029618.
%K nonn
%O 0,5
%A _James A. Sellers_