Number of integer partitions of n whose nonzero first differences are a submultiset of the parts.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =4a(6) =7a(7) =7a(8) =10a(9) =12a(10) =15a(11) =15a(12) =26a(13) =25a(14) =35a(15) =45a(16) =55a(17) =60a(18) =86a(19) =94a(20) =126a(21) =150a(22) =186a(23) =216a(24) =288a(25) =328a(26) =407a(27) =493a(28) =610a(29) =699