The number of partitions of n which represent Chomp positions with Sprague-Grundy value 1.

Terms

a(0) =0a(1) =2a(2) =0a(3) =0a(4) =0a(5) =3a(6) =0a(7) =2a(8) =4a(9) =4a(10) =8a(11) =9a(12) =8a(13) =11a(14) =16a(15) =12a(16) =38a(17) =24a(18) =36a(19) =37a(20) =54a(21) =65a(22) =72a(23) =106a(24) =100a(25) =156a(26) =152a(27) =199a(28) =202a(29) =287