A334766 - cp's OEIS frontend

A334766 Lexicographically earliest sequence of distinct positive integers such that for any n > 0, the prime tower factorization of a(n+1) can be obtained from that of a(n) by adding or removing exactly one prime number.

n	a(n)
1	1
2	2
3	4
4	12
5	6
6	3
7	9
8	18
9	36
10	144
11	48
12	16
13	80
14	20
15	10
16	5
17	15
18	30
19	60
20	180
21	90
22	45
23	225
24	75
25	25
26	50
27	100
28	300
29	150
30	450
31	900
32	3600
33	720
34	240
35	1200
36	400
37	2800
38	560
39	112
40	28
41	14
42	7
43	21
44	42
45	84
46	252
47	126
48	63
49	315
50	105
51	35
52	70
53	140
54	420
55	210
56	630
57	1260
58	5040
59	1008

[1, 2, 4, 12, 6, 3, 9, 18, 36, 144, 48, 16, 80, 20, 10, 5, 15, 30, 60, 180, 90, 45, 225, 75, 25, 50, 100, 300, 150, 450, 900, 3600, 720, 240, 1200, 400, 2800, 560, 112, 28, 14, 7, 21, 42, 84, 252, 126, 63, 315, 105, 35, 70, 140, 420, 210, 630, 1260, 5040, 1008]

cp's OEIS Frontend

A334766 Lexicographically earliest sequence of distinct positive integers such that for any n > 0, the prime tower factorization of a(n+1) can be obtained from that of a(n) by adding or removing exactly one prime number.

Table of values

List of values