Number of partitions of n without rotational symmetry (or 1-fold symmetry).

Terms

a(0) =1a(1) =0a(2) =1a(3) =1a(4) =5a(5) =2a(6) =13a(7) =8a(8) =21a(9) =17a(10) =54a(11) =31a(12) =99a(13) =70a(14) =139a(15) =131a(16) =295a(17) =207a(18) =488a(19) =387a(20) =698a(21) =657a(22) =1253a(23) =995a(24) =1923a(25) =1707a(26) =2785a(27) =2670a(28) =4563a(29) =3900