a(n) = Sum_{k=0..n} binomial(n, k)*HT(n, k) = Sum_{k=0..n} (-1)^(n-k)*binomial(n, k)*HT(n, k), where HT(n, k) is the Hermite triangle A099174.
A344501
a(n) = Sum_{k=0..n} binomial(n, k)*HT(n, k) = Sum_{k=0..n} (-1)^(n-k)*binomial(n, k)*HT(n, k), where HT(n, k) is the Hermite triangle A099174.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =10a(4) =40a(5) =176a(6) =916a(7) =4852a(8) =27350a(9) =163270a(10) =1009396a(11) =6504356a(12) =43400512a(13) =298682320a(14) =2118282440a(15) =15433768456a(16) =115345136566a(17) =882900083222
External references
- oeis: A344501