Second binomial transform of binomial(n+4, 4).

Terms

a(0) =1a(1) =7a(2) =39a(3) =193a(4) =886a(5) =3858a(6) =16146a(7) =65502a(8) =259119a(9) =1003833a(10) =3820689a(11) =14322663a(12) =52986636a(13) =193759452a(14) =701265924a(15) =2514778812a(16) =8943620589a(17) =31569189723a(18) =110673119691a(19) =385569479997