Number of strict partitions of 2n having 1 more even part than odd, so that there is at least one ordering of the parts in which the even and odd parts alternate, and the first and last terms are even.
A239872
Number of strict partitions of 2n having 1 more even part than odd, so that there is at least one ordering of the parts in which the even and odd parts alternate, and the first and last terms are even.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =1a(8) =2a(9) =3a(10) =6a(11) =10a(12) =17a(13) =26a(14) =40a(15) =57a(16) =81a(17) =110a(18) =148a(19) =193a(20) =250a(21) =316a(22) =397a(23) =491a(24) =603a(25) =732a(26) =885a(27) =1061a(28) =1268a(29) =1508
External references
- oeis: A239872