A353288 - cp's OEIS frontend

A353288 a(n) = Sum_{k=0..floor(n/2)} k^(n-2k) Stirling2(n-k,k).

n	a(n)
0	1
1	0
2	1
3	1
4	2
5	7
6	30
7	139
8	723
9	4487
10	33551
11	289854
12	2774999
13	29016343
14	333139222
15	4232908176
16	59442337179
17	912948755487
18	15154215501815
19	269933506466203
20	5150440487875190
21	105326085645729766
22	2307425141636199329
23	53998118146846356916
24	1343998910355295080556

[1, 0, 1, 1, 2, 7, 30, 139, 723, 4487, 33551, 289854, 2774999, 29016343, 333139222, 4232908176, 59442337179, 912948755487, 15154215501815, 269933506466203, 5150440487875190, 105326085645729766, 2307425141636199329, 53998118146846356916, 1343998910355295080556]

cp's OEIS Frontend

A353288 a(n) = Sum_{k=0..floor(n/2)} k^(n-2k) Stirling2(n-k,k).

Table of values

List of values

cp's OEIS Frontend

A353288 a(n) = Sum_{k=0..floor(n/2)} k^(n-2*k) * Stirling2(n-k,k).

Table of values

List of values

A353288 a(n) = Sum_{k=0..floor(n/2)} k^(n-2k) Stirling2(n-k,k).