Number of (n + 1, n + 2)-core partitions into odd parts.

Terms

a(0) =1a(1) =2a(2) =4a(3) =7a(4) =17a(5) =31a(6) =80a(7) =152a(8) =404a(9) =790a(10) =2140a(11) =4271a(12) =11729a(13) =23767a(14) =65952a(15) =135221a(16) =378321a(17) =782968a(18) =2205168a(19) =4598804a(20) =13023324a(21) =27332956a(22) =77761008