a(n) = 35*2^n + 10*4^n + 20*3^n + 4*5^n + 6^n + 56.

A254465

a(n) = 35*2^n + 10*4^n + 20*3^n + 4*5^n + 6^n + 56.

Terms

    a(0) =126a(1) =252a(2) =672a(3) =2232a(4) =8592a(5) =36552a(6) =166992a(7) =804552a(8) =4037712a(9) =20923272a(10) =111231312a(11) =603667272a(12) =3331889232a(13) =18646768392a(14) =105558814032a(15) =603280840392

External references