Number of reversed integer partitions of 2n whose half-alternating sum is 0.

Terms

a(0) =1a(1) =0a(2) =2a(3) =1a(4) =6a(5) =4a(6) =15a(7) =13a(8) =37a(9) =37a(10) =86a(11) =94a(12) =194a(13) =223a(14) =416a(15) =497a(16) =867a(17) =1056a(18) =1746a(19) =2159a(20) =3424a(21) =4272a(22) =6546a(23) =8215a(24) =12248a(25) =15418a(26) =22449a(27) =28311a(28) =40415a(29) =50985