First of two sequences bisecting the second differences of the partition numbers (see A053445).

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =7a(6) =10a(7) =14a(8) =22a(9) =32a(10) =45a(11) =67a(12) =95a(13) =134a(14) =192a(15) =269a(16) =373a(17) =521a(18) =718a(19) =983a(20) =1346a(21) =1827a(22) =2465a(23) =3323a(24) =4449a(25) =5929a(26) =7882a(27) =10426a(28) =13735a(29) =18047