Number of integer partitions of n containing all of their own nonzero first differences.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =4a(6) =8a(7) =7a(8) =11a(9) =13a(10) =17a(11) =18a(12) =32a(13) =30a(14) =44a(15) =54a(16) =70a(17) =78a(18) =114a(19) =125a(20) =171a(21) =205a(22) =257a(23) =302a(24) =408a(25) =464a(26) =592a(27) =711a(28) =892a(29) =1042