Number of partitions of n whose different summands alternate in parity.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =6a(6) =8a(7) =11a(8) =13a(9) =21a(10) =23a(11) =33a(12) =39a(13) =54a(14) =63a(15) =88a(16) =98a(17) =132a(18) =157a(19) =200a(20) =237a(21) =303a(22) =356a(23) =440a(24) =526a(25) =643a(26) =767a(27) =931a(28) =1103a(29) =1317