Numbers k such that 2*k is a partition number.

Terms

a(0) =1a(1) =11a(2) =15a(3) =21a(4) =28a(5) =88a(6) =245a(7) =396a(8) =501a(9) =979a(10) =1218a(11) =1505a(12) =1859a(13) =2802a(14) =3421a(15) =6155a(16) =18669a(17) =26587a(18) =44567a(19) =52779a(20) =62377a(21) =102113a(22) =225638a(23) =307077a(24) =357610a(25) =415910a(26) =650078a(27) =870815a(28) =1006279a(29) =1161760