The number of partitions of n which represent Chomp positions with Sprague-Grundy value 4.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =2a(5) =4a(6) =2a(7) =2a(8) =2a(9) =0a(10) =7a(11) =4a(12) =0a(13) =14a(14) =7a(15) =18a(16) =4a(17) =28a(18) =16a(19) =30a(20) =44a(21) =65a(22) =50a(23) =83a(24) =100a(25) =174a(26) =168a(27) =211a(28) =256a(29) =283