a(n) = Sum_{k=0..n} binomial(2*n, k) * p(k), where p(k) is the partition function A000041.
A356267
a(n) = Sum_{k=0..n} binomial(2*n, k) * p(k), where p(k) is the partition function A000041.
Terms
- a(0) =1a(1) =3a(2) =17a(3) =97a(4) =583a(5) =3275a(6) =18988a(7) =104821a(8) =584441a(9) =3180889a(10) =17295626a(11) =92225785a(12) =492811733a(13) =2590911097a(14) =13591889993a(15) =70605682273a(16) =365601169939
External references
- oeis: A356267