Number of integer partitions of n with no difference -2.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =6a(6) =9a(7) =12a(8) =16a(9) =24a(10) =30a(11) =40a(12) =54a(13) =69a(14) =89a(15) =118a(16) =146a(17) =187a(18) =239a(19) =297a(20) =372a(21) =468a(22) =575a(23) =711a(24) =880a(25) =1075a(26) =1314a(27) =1610a(28) =1947a(29) =2359