The number of overpartitions of n whose Frobenius symbols have only odd parts in the top row.

Terms

a(0) =1a(1) =0a(2) =2a(3) =2a(4) =4a(5) =4a(6) =8a(7) =10a(8) =16a(9) =20a(10) =30a(11) =38a(12) =54a(13) =68a(14) =94a(15) =120a(16) =160a(17) =202a(18) =266a(19) =334a(20) =432a(21) =540a(22) =688a(23) =856a(24) =1080a(25) =1334a(26) =1668a(27) =2052a(28) =2542a(29) =3110