A256550 - cp's OEIS frontend

A256550 Triangle read by rows, T(n,k) = EL(n,k)/(n-k+1)! and EL(n,k) the matrix-exponential of the unsigned Lah numbers scaled by exp(-1), for n>=0 and 0<=k<=n.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	2
8	3
9	1
10	0
11	5
12	12
13	6
14	1
15	0
16	15
17	50
18	40
19	10
20	1
21	0
22	52
23	225
24	250
25	100
26	15
27	1
28	0
29	203
30	1092
31	1575
32	875
33	210
34	21
35	1
36	0
37	877
38	5684
39	10192
40	7350
41	2450
42	392
43	28
44	1
45	0
46	4140
47	31572
48	68208
49	61152
50	26460
51	5880
52	672
53	36
54	1

[1, 0, 1, 0, 1, 1, 0, 2, 3, 1, 0, 5, 12, 6, 1, 0, 15, 50, 40, 10, 1, 0, 52, 225, 250, 100, 15, 1, 0, 203, 1092, 1575, 875, 210, 21, 1, 0, 877, 5684, 10192, 7350, 2450, 392, 28, 1, 0, 4140, 31572, 68208, 61152, 26460, 5880, 672, 36, 1]

cp's OEIS Frontend

A256550 Triangle read by rows, T(n,k) = EL(n,k)/(n-k+1)! and EL(n,k) the matrix-exponential of the unsigned Lah numbers scaled by exp(-1), for n>=0 and 0<=k<=n.

Table of values

List of values