Number of partitions of n with nine parts in which no part occurs more than twice.

Terms

a(0) =1a(1) =2a(2) =3a(3) =6a(4) =10a(5) =15a(6) =24a(7) =35a(8) =50a(9) =71a(10) =98a(11) =131a(12) =178a(13) =234a(14) =304a(15) =393a(16) =503a(17) =633a(18) =798a(19) =992a(20) =1225a(21) =1506a(22) =1839a(23) =2226a(24) =2692a(25) =3229a(26) =3856a(27) =4587a(28) =5434a(29) =6400