A073830 - cp's OEIS frontend

A073830 a(n) = 4((n-1)! + 1) + n (mod n(n + 2)).

n	a(n)
1	0
2	2
3	0
4	8
5	0
6	10
7	56
8	12
9	22
10	14
11	0
12	16
13	182
14	18
15	34
16	20
17	0
18	22
19	380
20	24
21	46
22	26
23	552
24	28
25	29
26	30
27	58
28	32
29	0
30	34
31	992
32	36
33	37
34	38
35	74
36	40
37	1406
38	42
39	82
40	44
41	0
42	46
43	1892
44	48
45	94
46	50
47	2256
48	52
49	53
50	54
51	106
52	56
53	2862
54	58
55	59
56	60
57	118
58	62
59	0
60	64
61	3782
62	66
63	67
64	68
65	134
66	70

[0, 2, 0, 8, 0, 10, 56, 12, 22, 14, 0, 16, 182, 18, 34, 20, 0, 22, 380, 24, 46, 26, 552, 28, 29, 30, 58, 32, 0, 34, 992, 36, 37, 38, 74, 40, 1406, 42, 82, 44, 0, 46, 1892, 48, 94, 50, 2256, 52, 53, 54, 106, 56, 2862, 58, 59, 60, 118, 62, 0, 64, 3782, 66, 67, 68, 134, 70]

cp's OEIS Frontend

A073830 a(n) = 4((n-1)! + 1) + n (mod n(n + 2)).

Table of values

List of values

cp's OEIS Frontend

A073830 a(n) = 4*((n-1)! + 1) + n (mod n*(n + 2)).

Table of values

List of values

A073830 a(n) = 4((n-1)! + 1) + n (mod n(n + 2)).