Number of ways to write n as an orderless product of orderless sums.

Terms

a(0) =1a(1) =2a(2) =3a(3) =8a(4) =7a(5) =17a(6) =15a(7) =36a(8) =36a(9) =56a(10) =56a(11) =123a(12) =101a(13) =165a(14) =197a(15) =310a(16) =297a(17) =490a(18) =490a(19) =767a(20) =837a(21) =1114a(22) =1255a(23) =1925a(24) =1986a(25) =2638a(26) =3110a(27) =4108a(28) =4565a(29) =6201