Binomial coefficient C(n,38).

Terms

a(0) =1a(1) =39a(2) =780a(3) =10660a(4) =111930a(5) =962598a(6) =7059052a(7) =45379620a(8) =260932815a(9) =1362649145a(10) =6540715896a(11) =29135916264a(12) =121399651100a(13) =476260169700