A271702 - cp's OEIS frontend

A271702 Triangle read by rows, T(n,k) = Sum_{j=0..n} (-1)^(n-j)C(-j-1,-n-1)S2(k,j), S2 the Stirling set numbers A048993, for n>=0 and 0<=k<=n.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	3
6	1
7	3
8	6
9	13
10	1
11	4
12	10
13	26
14	71
15	1
16	5
17	15
18	45
19	140
20	456
21	1
22	6
23	21
24	71
25	246
26	887
27	3337
28	1
29	7
30	28
31	105
32	399
33	1568
34	6405
35	27203
36	1
37	8
38	36
39	148
40	610
41	2584
42	11334
43	51564
44	243203
45	1
46	9
47	45
48	201
49	891
50	4035
51	18849
52	91101
53	455712
54	2357356

[1, 1, 1, 1, 2, 3, 1, 3, 6, 13, 1, 4, 10, 26, 71, 1, 5, 15, 45, 140, 456, 1, 6, 21, 71, 246, 887, 3337, 1, 7, 28, 105, 399, 1568, 6405, 27203, 1, 8, 36, 148, 610, 2584, 11334, 51564, 243203, 1, 9, 45, 201, 891, 4035, 18849, 91101, 455712, 2357356]

cp's OEIS Frontend

A271702 Triangle read by rows, T(n,k) = Sum_{j=0..n} (-1)^(n-j)C(-j-1,-n-1)S2(k,j), S2 the Stirling set numbers A048993, for n>=0 and 0<=k<=n.

Table of values

List of values

cp's OEIS Frontend

A271702 Triangle read by rows, T(n,k) = Sum_{j=0..n} (-1)^(n-j)*C(-j-1,-n-1)*S2(k,j), S2 the Stirling set numbers A048993, for n>=0 and 0<=k<=n.

Table of values

List of values

A271702 Triangle read by rows, T(n,k) = Sum_{j=0..n} (-1)^(n-j)C(-j-1,-n-1)S2(k,j), S2 the Stirling set numbers A048993, for n>=0 and 0<=k<=n.