Expansion of g.f. A(x) satisfying A(x) = A( x^2*(1+x)^6 ) / x.

Terms

a(0) =1a(1) =6a(2) =21a(3) =92a(4) =432a(5) =1704a(6) =6276a(7) =24096a(8) =95628a(9) =383848a(10) =1560030a(11) =6395256a(12) =26220902a(13) =106855404a(14) =430894908a(15) =1716023728a(16) =6758075160a(17) =26395681392a(18) =102540292584a(19) =397219456608