A378107 - cp's OEIS frontend

A378107 Lexicographically earliest sequence of distinct positive integers such that for any n > 0, either a(n+1) is a multiple of a(n) or the decimal expansion of a(n+1) appears in that of a(n).

n	a(n)
1	1
2	2
3	4
4	8
5	16
6	6
7	12
8	24
9	48
10	96
11	9
12	18
13	36
14	3
15	15
16	5
17	10
18	20
19	40
20	80
21	160
22	60
23	120
24	240
25	480
26	960
27	1920
28	19
29	38
30	76
31	7
32	14
33	28
34	56
35	112
36	11
37	22
38	44
39	88
40	176
41	17
42	34
43	68
44	136
45	13
46	26
47	52
48	104
49	208
50	416
51	41
52	82
53	164
54	64
55	128
56	256
57	25
58	50
59	100
60	200
61	400
62	800

[1, 2, 4, 8, 16, 6, 12, 24, 48, 96, 9, 18, 36, 3, 15, 5, 10, 20, 40, 80, 160, 60, 120, 240, 480, 960, 1920, 19, 38, 76, 7, 14, 28, 56, 112, 11, 22, 44, 88, 176, 17, 34, 68, 136, 13, 26, 52, 104, 208, 416, 41, 82, 164, 64, 128, 256, 25, 50, 100, 200, 400, 800]

cp's OEIS Frontend

A378107 Lexicographically earliest sequence of distinct positive integers such that for any n > 0, either a(n+1) is a multiple of a(n) or the decimal expansion of a(n+1) appears in that of a(n).

Table of values

List of values