A072230 - cp's OEIS frontend

A072230 a(n) = n! (mod n^2), that is, n factorial modulo n^2.

n	a(n)
1	0
2	2
3	6
4	8
5	20
6	0
7	42
8	0
9	0
10	0
11	110
12	0
13	156
14	0
15	0
16	0
17	272
18	0
19	342
20	0
21	0
22	0
23	506
24	0
25	0
26	0
27	0
28	0
29	812
30	0
31	930
32	0
33	0
34	0
35	0
36	0
37	1332
38	0
39	0
40	0
41	1640
42	0
43	1806
44	0
45	0
46	0
47	2162
48	0
49	0
50	0
51	0
52	0
53	2756
54	0
55	0
56	0
57	0
58	0
59	3422
60	0
61	3660
62	0
63	0
64	0
65	0
66	0
67	4422
68	0
69	0
70	0
71	4970
72	0
73	5256
74	0
75	0
76	0
77	0
78	0
79	6162

[0, 2, 6, 8, 20, 0, 42, 0, 0, 0, 110, 0, 156, 0, 0, 0, 272, 0, 342, 0, 0, 0, 506, 0, 0, 0, 0, 0, 812, 0, 930, 0, 0, 0, 0, 0, 1332, 0, 0, 0, 1640, 0, 1806, 0, 0, 0, 2162, 0, 0, 0, 0, 0, 2756, 0, 0, 0, 0, 0, 3422, 0, 3660, 0, 0, 0, 0, 0, 4422, 0, 0, 0, 4970, 0, 5256, 0, 0, 0, 0, 0, 6162]

cp's OEIS Frontend

A072230 a(n) = n! (mod n^2), that is, n factorial modulo n^2.

Table of values

List of values