A272644 - cp's OEIS frontend

A272644 Triangle read by rows: T(n,m) = Sum_{i=0..m} Stirling2(m+1,i+1)(-1)^(m-i)i^(n-m)*i!, for n >= 2, m = 1..n-1.

n	a(n)
2	1
3	1
4	1
5	1
6	5
7	1
8	1
9	13
10	13
11	1
12	1
13	29
14	73
15	29
16	1
17	1
18	61
19	301
20	301
21	61
22	1
23	1
24	125
25	1081
26	2069
27	1081
28	125
29	1
30	1
31	253
32	3613
33	11581
34	11581
35	3613
36	253
37	1
38	1
39	509
40	11593
41	57749
42	95401
43	57749
44	11593
45	509
46	1
47	1
48	1021
49	36301
50	268381
51	673261
52	673261
53	268381
54	36301
55	1021
56	1

[1, 1, 1, 1, 5, 1, 1, 13, 13, 1, 1, 29, 73, 29, 1, 1, 61, 301, 301, 61, 1, 1, 125, 1081, 2069, 1081, 125, 1, 1, 253, 3613, 11581, 11581, 3613, 253, 1, 1, 509, 11593, 57749, 95401, 57749, 11593, 509, 1, 1, 1021, 36301, 268381, 673261, 673261, 268381, 36301, 1021, 1]

cp's OEIS Frontend

A272644 Triangle read by rows: T(n,m) = Sum_{i=0..m} Stirling2(m+1,i+1)(-1)^(m-i)i^(n-m)*i!, for n >= 2, m = 1..n-1.

Table of values

List of values

cp's OEIS Frontend

A272644 Triangle read by rows: T(n,m) = Sum_{i=0..m} Stirling2(m+1,i+1)*(-1)^(m-i)*i^(n-m)*i!, for n >= 2, m = 1..n-1.

Table of values

List of values

A272644 Triangle read by rows: T(n,m) = Sum_{i=0..m} Stirling2(m+1,i+1)(-1)^(m-i)i^(n-m)*i!, for n >= 2, m = 1..n-1.