Number of bipartite partitions of n white objects and 7 black ones.

Terms

a(0) =15a(1) =45a(2) =118a(3) =257a(4) =522a(5) =975a(6) =1752a(7) =2998a(8) =4987a(9) =8043a(10) =12693a(11) =19584a(12) =29719a(13) =44324a(14) =65210a(15) =94642a(16) =135805a(17) =192699a(18) =270822a(19) =377048a(20) =520624a(21) =713123a(22) =969784a(23) =1309646a(24) =1757447a(25) =2343931a(26) =3108553a(27) =4100220a(28) =5380964a(29) =7027376