A144446 - cp's OEIS frontend

A144446 Array t(n, k) = (k(n-1) +2-k)t(n-1, k) + k*t(n-2, k), with t(1, k) = 1, t(2, k) = 2, read by antidiagonals.

n	a(n)
1	1
2	2
3	1
4	7
5	2
6	1
7	30
8	10
9	2
10	1
11	157
12	64
13	13
14	2
15	1
16	972
17	532
18	110
19	16
20	2
21	1
22	6961
23	5448
24	1249
25	168
26	19
27	2
28	1
29	56660
30	66440
31	17816
32	2416
33	238
34	22
35	2
36	1
37	516901
38	941056
39	306619
40	44160
41	4141
42	320
43	25
44	2
45	1
46	5225670
47	15189776
48	6185828
49	981184
50	92292
51	6532
52	414
53	28
54	2
55	1

[1, 2, 1, 7, 2, 1, 30, 10, 2, 1, 157, 64, 13, 2, 1, 972, 532, 110, 16, 2, 1, 6961, 5448, 1249, 168, 19, 2, 1, 56660, 66440, 17816, 2416, 238, 22, 2, 1, 516901, 941056, 306619, 44160, 4141, 320, 25, 2, 1, 5225670, 15189776, 6185828, 981184, 92292, 6532, 414, 28, 2, 1]

cp's OEIS Frontend

A144446 Array t(n, k) = (k(n-1) +2-k)t(n-1, k) + k*t(n-2, k), with t(1, k) = 1, t(2, k) = 2, read by antidiagonals.

Table of values

List of values

cp's OEIS Frontend

A144446 Array t(n, k) = (k*(n-1) +2-k)*t(n-1, k) + k*t(n-2, k), with t(1, k) = 1, t(2, k) = 2, read by antidiagonals.

Table of values

List of values

A144446 Array t(n, k) = (k(n-1) +2-k)t(n-1, k) + k*t(n-2, k), with t(1, k) = 1, t(2, k) = 2, read by antidiagonals.