A049404 - cp's OEIS frontend

A049404 Triangle read by rows, the Bell transform of n!*binomial(2,n) (without column 0).

n	a(n)
1	1
2	2
3	1
4	2
5	6
6	1
7	0
8	20
9	12
10	1
11	0
12	40
13	80
14	20
15	1
16	0
17	40
18	360
19	220
20	30
21	1
22	0
23	0
24	1120
25	1680
26	490
27	42
28	1
29	0
30	0
31	2240
32	9520
33	5600
34	952
35	56
36	1
37	0
38	0
39	2240
40	40320
41	48720
42	15120
43	1680
44	72
45	1
46	0
47	0
48	0
49	123200
50	332640
51	184800
52	35280
53	2760
54	90
55	1
56	0
57	0
58	0
59	246400
60	1786400

[1, 2, 1, 2, 6, 1, 0, 20, 12, 1, 0, 40, 80, 20, 1, 0, 40, 360, 220, 30, 1, 0, 0, 1120, 1680, 490, 42, 1, 0, 0, 2240, 9520, 5600, 952, 56, 1, 0, 0, 2240, 40320, 48720, 15120, 1680, 72, 1, 0, 0, 0, 123200, 332640, 184800, 35280, 2760, 90, 1, 0, 0, 0, 246400, 1786400]

cp's OEIS Frontend

A049404 Triangle read by rows, the Bell transform of n!*binomial(2,n) (without column 0).

Table of values

List of values