A217367 - cp's OEIS frontend

A217367 a(n) = ((n+7) / gcd(n+7,4)) * (n / gcd(n,4)).

n	a(n)
0	0
1	2
2	9
3	15
4	11
5	15
6	39
7	49
8	30
9	36
10	85
11	99
12	57
13	65
14	147
15	165
16	92
17	102
18	225
19	247
20	135
21	147
22	319
23	345
24	186
25	200
26	429
27	459
28	245
29	261
30	555
31	589
32	312
33	330
34	697
35	735
36	387
37	407
38	855
39	897
40	470
41	492
42	1029
43	1075
44	561
45	585
46	1219
47	1269
48	660
49	686
50	1425
51	1479
52	767
53	795
54	1647

[0, 2, 9, 15, 11, 15, 39, 49, 30, 36, 85, 99, 57, 65, 147, 165, 92, 102, 225, 247, 135, 147, 319, 345, 186, 200, 429, 459, 245, 261, 555, 589, 312, 330, 697, 735, 387, 407, 855, 897, 470, 492, 1029, 1075, 561, 585, 1219, 1269, 660, 686, 1425, 1479, 767, 795, 1647]

cp's OEIS Frontend

A217367 a(n) = ((n+7) / gcd(n+7,4)) * (n / gcd(n,4)).

Table of values

List of values