The number of partitions of n which represent Chomp positions with Sprague-Grundy value 3.

Terms

a(0) =0a(1) =0a(2) =0a(3) =4a(4) =0a(5) =0a(6) =4a(7) =0a(8) =4a(9) =0a(10) =6a(11) =6a(12) =8a(13) =8a(14) =8a(15) =10a(16) =15a(17) =26a(18) =17a(19) =34a(20) =39a(21) =32a(22) =73a(23) =54a(24) =99a(25) =68a(26) =133a(27) =138a(28) =167a(29) =256