A248028 - cp's OEIS frontend

A248028 a(n) = Sum_{k=0..n} |Stirling1(n, k)|*(n-k)! for n>=0.

n	a(n)
0	1
1	1
2	2
3	8
4	65
5	957
6	22512
7	773838
8	36561289
9	2271696241
10	179538792358
11	17584290721868
12	2090031277816649
13	296326507395472205
14	49400463740287289892
15	9566059122999739401954
16	2129221864475839211318769
17	539805407803681202368358785
18	154636541536285163968515043306
19	49702496963149041682740769491568

[1, 1, 2, 8, 65, 957, 22512, 773838, 36561289, 2271696241, 179538792358, 17584290721868, 2090031277816649, 296326507395472205, 49400463740287289892, 9566059122999739401954, 2129221864475839211318769, 539805407803681202368358785, 154636541536285163968515043306, 49702496963149041682740769491568]

cp's OEIS Frontend

A248028 a(n) = Sum_{k=0..n} |Stirling1(n, k)|*(n-k)! for n>=0.

Table of values

List of values