A155744 - cp's OEIS frontend

A155744 Triangle T(n, k) = (-1)^(n-k)StirlingS1(n, k) + (-1)^kStirlingS1(n, n-k) + (-1)^nStirlingS1(n, k)StirlingS1(n, n-k), read by rows.

n	a(n)
0	3
1	1
2	1
3	1
4	3
5	1
6	1
7	11
8	11
9	1
10	1
11	48
12	143
13	48
14	1
15	1
16	274
17	1835
18	1835
19	274
20	1
21	1
22	1935
23	23649
24	51075
25	23649
26	1935
27	1
28	1
29	15861
30	310639
31	1195999
32	1195999
33	310639
34	15861
35	1
36	1
37	146188
38	4221286
39	25753812
40	45832899
41	25753812
42	4221286
43	146188
44	1
45	1
46	1491876
47	59942994
48	535933124
49	1510548249
50	1510548249
51	535933124
52	59942994
53	1491876
54	1

[3, 1, 1, 1, 3, 1, 1, 11, 11, 1, 1, 48, 143, 48, 1, 1, 274, 1835, 1835, 274, 1, 1, 1935, 23649, 51075, 23649, 1935, 1, 1, 15861, 310639, 1195999, 1195999, 310639, 15861, 1, 1, 146188, 4221286, 25753812, 45832899, 25753812, 4221286, 146188, 1, 1, 1491876, 59942994, 535933124, 1510548249, 1510548249, 535933124, 59942994, 1491876, 1]

cp's OEIS Frontend

A155744 Triangle T(n, k) = (-1)^(n-k)StirlingS1(n, k) + (-1)^kStirlingS1(n, n-k) + (-1)^nStirlingS1(n, k)StirlingS1(n, n-k), read by rows.

Table of values

List of values

cp's OEIS Frontend

A155744 Triangle T(n, k) = (-1)^(n-k)*StirlingS1(n, k) + (-1)^k*StirlingS1(n, n-k) + (-1)^n*StirlingS1(n, k)*StirlingS1(n, n-k), read by rows.

Table of values

List of values

A155744 Triangle T(n, k) = (-1)^(n-k)StirlingS1(n, k) + (-1)^kStirlingS1(n, n-k) + (-1)^nStirlingS1(n, k)StirlingS1(n, n-k), read by rows.