Number of partitions of n into an even number of parts, the least being 2; also, a(n+2) = number of partitions of n into an odd number of parts, each >=2.

A027194

Number of partitions of n into an even number of parts, the least being 2; also, a(n+2) = number of partitions of n into an odd number of parts, each >=2.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =1a(4) =1a(5) =1a(6) =1a(7) =2a(8) =2a(9) =3a(10) =4a(11) =6a(12) =7a(13) =10a(14) =12a(15) =17a(16) =21a(17) =27a(18) =33a(19) =44a(20) =53a(21) =68a(22) =83a(23) =105a(24) =127a(25) =159a(26) =192a(27) =239a(28) =288a(29) =353

External references