Convolution of A007054 (Super ballot numbers) with A000302 (powers of 4).
A038679
Convolution of A007054 (Super ballot numbers) with A000302 (powers of 4).
Terms
- a(0) =3a(1) =14a(2) =59a(3) =242a(4) =982a(5) =3964a(6) =15955a(7) =64106a(8) =257282a(9) =1031780a(10) =4135518a(11) =16569204a(12) =66365964a(13) =265761016a(14) =1064046979a(15) =4259609626a(16) =17050224394a(17) =68241838036a(18) =273110643754
External references
- oeis: A038679