A269944 - cp's OEIS frontend

A269944 Triangle read by rows, Stirling cycle numbers of order 2, T(n, n) = 1, T(n, k) = 0 if k < 0 or k > n, otherwise T(n, k) = T(n-1, k-1) + (n-1)^2*T(n-1, k), for 0 <= k <= n.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	4
8	5
9	1
10	0
11	36
12	49
13	14
14	1
15	0
16	576
17	820
18	273
19	30
20	1
21	0
22	14400
23	21076
24	7645
25	1023
26	55
27	1
28	0
29	518400
30	773136
31	296296
32	44473
33	3003
34	91
35	1
36	0
37	25401600
38	38402064
39	15291640
40	2475473
41	191620
42	7462
43	140
44	1

[1, 0, 1, 0, 1, 1, 0, 4, 5, 1, 0, 36, 49, 14, 1, 0, 576, 820, 273, 30, 1, 0, 14400, 21076, 7645, 1023, 55, 1, 0, 518400, 773136, 296296, 44473, 3003, 91, 1, 0, 25401600, 38402064, 15291640, 2475473, 191620, 7462, 140, 1]

cp's OEIS Frontend

A269944 Triangle read by rows, Stirling cycle numbers of order 2, T(n, n) = 1, T(n, k) = 0 if k < 0 or k > n, otherwise T(n, k) = T(n-1, k-1) + (n-1)^2*T(n-1, k), for 0 <= k <= n.

Table of values

List of values