Binomial coefficients C(2*n+8,8).

Terms

a(0) =1a(1) =45a(2) =495a(3) =3003a(4) =12870a(5) =43758a(6) =125970a(7) =319770a(8) =735471a(9) =1562275a(10) =3108105a(11) =5852925a(12) =10518300a(13) =18156204a(14) =30260340a(15) =48903492a(16) =76904685a(17) =118030185a(18) =177232627a(19) =260932815a(20) =377348994a(21) =536878650a(22) =752538150a(23) =1040465790a(24) =1420494075a(25) =1916797311a(26) =2558620845a(27) =3381098545