A384028 - cp's OEIS frontend

A384028 a(n) = Sum_{k=0..2n} Stirling1(2n+1, 2n+1-k) Stirling1(2*n+1, k+1).

n	a(n)
0	1
1	13
2	2273
3	1184153
4	1251320145
5	2232012515445
6	6032418472347265
7	23007314730623658225
8	117745011140615270168865
9	778780810721500176081199325
10	6466413475830749109197652489569
11	65861328745485785925705177696147337
12	807448787241269228642562251336079833585

[1, 13, 2273, 1184153, 1251320145, 2232012515445, 6032418472347265, 23007314730623658225, 117745011140615270168865, 778780810721500176081199325, 6466413475830749109197652489569, 65861328745485785925705177696147337, 807448787241269228642562251336079833585]

cp's OEIS Frontend

A384028 a(n) = Sum_{k=0..2n} Stirling1(2n+1, 2n+1-k) Stirling1(2*n+1, k+1).

Table of values

List of values

cp's OEIS Frontend

A384028 a(n) = Sum_{k=0..2*n} Stirling1(2*n+1, 2*n+1-k) * Stirling1(2*n+1, k+1).

Table of values

List of values

A384028 a(n) = Sum_{k=0..2n} Stirling1(2n+1, 2n+1-k) Stirling1(2*n+1, k+1).