A338055 - cp's OEIS frontend

A338055 Lexicographically earliest infinite sequence {a(n)} of distinct positive numbers such that, for n>2, a(n) has a common factor with a(n-1) involving only primes <= 11 but no such common factor with a(n-2) (primes > 11 play no role in this definition).

n	a(n)
1	1
2	2
3	6
4	15
5	35
6	14
7	12
8	33
9	55
10	10
11	18
12	21
13	77
14	22
15	20
16	45
17	63
18	28
19	40
20	75
21	99
22	44
23	50
24	105
25	231
26	88
27	80
28	135
29	147
30	56
31	100
32	165
33	189
34	98
35	110
36	225
37	441
38	112
39	160
40	275
41	297
42	24
43	70
44	385
45	363
46	36
47	140
48	539
49	891
50	30
51	175
52	847
53	66
54	60
55	245
56	3773
57	132
58	90
59	875
60	5929
61	176
62	48

[1, 2, 6, 15, 35, 14, 12, 33, 55, 10, 18, 21, 77, 22, 20, 45, 63, 28, 40, 75, 99, 44, 50, 105, 231, 88, 80, 135, 147, 56, 100, 165, 189, 98, 110, 225, 441, 112, 160, 275, 297, 24, 70, 385, 363, 36, 140, 539, 891, 30, 175, 847, 66, 60, 245, 3773, 132, 90, 875, 5929, 176, 48]

cp's OEIS Frontend

A338055 Lexicographically earliest infinite sequence {a(n)} of distinct positive numbers such that, for n>2, a(n) has a common factor with a(n-1) involving only primes <= 11 but no such common factor with a(n-2) (primes > 11 play no role in this definition).

Table of values

List of values