A120387 - cp's OEIS frontend

A120387 c(n) mod b(n) where c(n) = (n-1)! and b(n) = Sum_{i=1..n} i.

n	a(n)
1	0
2	1
3	2
4	6
5	9
6	15
7	20
8	0
9	0
10	45
11	54
12	66
13	77
14	0
15	0
16	120
17	135
18	153
19	170
20	0
21	0
22	231
23	252
24	0
25	0
26	0
27	0
28	378
29	405
30	435
31	464
32	0
33	0
34	0
35	0
36	630
37	665
38	0
39	0
40	780
41	819
42	861
43	902
44	0
45	0
46	1035
47	1080
48	0
49	0
50	0
51	0
52	1326
53	1377
54	0
55	0
56	0
57	0
58	1653
59	1710
60	1770
61	1829
62	0
63	0
64	0
65	0
66	2145
67	2210
68	0
69	0
70	2415

[0, 1, 2, 6, 9, 15, 20, 0, 0, 45, 54, 66, 77, 0, 0, 120, 135, 153, 170, 0, 0, 231, 252, 0, 0, 0, 0, 378, 405, 435, 464, 0, 0, 0, 0, 630, 665, 0, 0, 780, 819, 861, 902, 0, 0, 1035, 1080, 0, 0, 0, 0, 1326, 1377, 0, 0, 0, 0, 1653, 1710, 1770, 1829, 0, 0, 0, 0, 2145, 2210, 0, 0, 2415]

cp's OEIS Frontend

A120387 c(n) mod b(n) where c(n) = (n-1)! and b(n) = Sum_{i=1..n} i.

Table of values

List of values