A325140 - cp's OEIS frontend

A325140 a(n) = Sum_{k=0..n} Sum_{j=0..n-k} binomial(j+k, k)|Stirling1(n, j+k)|(k+2)^j.

n	a(n)
0	1
1	3
2	14
3	87
4	668
5	6070
6	63474
7	748902
8	9823904
9	141648408
10	2224529640
11	37766939760
12	688838821032
13	13426208682120
14	278381951154384
15	6115924828583640
16	141876076197342720
17	3464565965515181760
18	88816387548215208384
19	2384385707634518563776
20	66886418077269442554240

[1, 3, 14, 87, 668, 6070, 63474, 748902, 9823904, 141648408, 2224529640, 37766939760, 688838821032, 13426208682120, 278381951154384, 6115924828583640, 141876076197342720, 3464565965515181760, 88816387548215208384, 2384385707634518563776, 66886418077269442554240]

cp's OEIS Frontend

A325140 a(n) = Sum_{k=0..n} Sum_{j=0..n-k} binomial(j+k, k)|Stirling1(n, j+k)|(k+2)^j.

Table of values

List of values

cp's OEIS Frontend

A325140 a(n) = Sum_{k=0..n} Sum_{j=0..n-k} binomial(j+k, k)*|Stirling1(n, j+k)|*(k+2)^j.

Table of values

List of values

A325140 a(n) = Sum_{k=0..n} Sum_{j=0..n-k} binomial(j+k, k)|Stirling1(n, j+k)|(k+2)^j.