A143409 - cp's OEIS frontend

A143409 Square array read by antidiagonals: form the Euler-Seidel matrix for the sequence {k!} and then divide column k by k!.

n	a(n)
0	1
1	2
2	1
3	5
4	3
5	1
6	16
7	11
8	4
9	1
10	65
11	49
12	19
13	5
14	1
15	326
16	261
17	106
18	29
19	6
20	1
21	1957
22	1631
23	685
24	193
25	41
26	7
27	1
28	13700
29	11743
30	5056
31	1457
32	316
33	55
34	8
35	1
36	109601
37	95901
38	42079
39	12341
40	2721
41	481
42	71
43	9
44	1
45	986410
46	876809
47	390454
48	116125
49	25946
50	4645
51	694
52	89
53	10
54	1

[1, 2, 1, 5, 3, 1, 16, 11, 4, 1, 65, 49, 19, 5, 1, 326, 261, 106, 29, 6, 1, 1957, 1631, 685, 193, 41, 7, 1, 13700, 11743, 5056, 1457, 316, 55, 8, 1, 109601, 95901, 42079, 12341, 2721, 481, 71, 9, 1, 986410, 876809, 390454, 116125, 25946, 4645, 694, 89, 10, 1]

cp's OEIS Frontend

A143409 Square array read by antidiagonals: form the Euler-Seidel matrix for the sequence {k!} and then divide column k by k!.

Table of values

List of values