A321331 - cp's OEIS frontend

A321331 Triangle read by rows: T(n, k) = (k+1)*S2(n+1, k+1), for n >= k >= 0, and S2 = A048993 (Stirling2).

n	a(n)
0	1
1	1
2	2
3	1
4	6
5	3
6	1
7	14
8	18
9	4
10	1
11	30
12	75
13	40
14	5
15	1
16	62
17	270
18	260
19	75
20	6
21	1
22	126
23	903
24	1400
25	700
26	126
27	7
28	1
29	254
30	2898
31	6804
32	5250
33	1596
34	196
35	8
36	1
37	510
38	9075
39	31080
40	34755
41	15876
42	3234
43	288
44	9
45	1
46	1022
47	27990
48	136420
49	212625
50	136962
51	41160
52	6000
53	405
54	10
55	1
56	2046
57	85503
58	583000
59	1233650
60	1076922
61	447909
62	95040
63	10395
64	550
65	11

[1, 1, 2, 1, 6, 3, 1, 14, 18, 4, 1, 30, 75, 40, 5, 1, 62, 270, 260, 75, 6, 1, 126, 903, 1400, 700, 126, 7, 1, 254, 2898, 6804, 5250, 1596, 196, 8, 1, 510, 9075, 31080, 34755, 15876, 3234, 288, 9, 1, 1022, 27990, 136420, 212625, 136962, 41160, 6000, 405, 10, 1, 2046, 85503, 583000, 1233650, 1076922, 447909, 95040, 10395, 550, 11]

cp's OEIS Frontend

A321331 Triangle read by rows: T(n, k) = (k+1)*S2(n+1, k+1), for n >= k >= 0, and S2 = A048993 (Stirling2).

Table of values

List of values