Shallow diagonal sums of the triangle k!*Stirling2(n,k): a(n) = Sum_{k=0..floor(n/2)} T(n-k,k) where T is A019538.
A105795
Shallow diagonal sums of the triangle k!*Stirling2(n,k): a(n) = Sum_{k=0..floor(n/2)} T(n-k,k) where T is A019538.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =1a(4) =3a(5) =7a(6) =21a(7) =67a(8) =237a(9) =907a(10) =3741a(11) =16507a(12) =77517a(13) =385627a(14) =2024301a(15) =11174587a(16) =64673997a(17) =391392667a(18) =2470864941a(19) =16237279867a(20) =110858862477a(21) =784987938907
External references
- oeis: A105795