A377193 - cp's OEIS frontend

A377193 Lexicographically earliest infinite sequence of distinct positive integers such that any term j = a(n-1) with primorial kernel is followed by a prime, whereas any other term is followed by a number with prime factors p < q = Gpf(j) which do not divide j.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	11
10	9
11	16
12	13
13	10
14	27
15	32
16	17
17	12
18	19
19	14
20	15
21	64
22	23
23	18
24	29
25	20
26	81
27	128
28	31
29	21
30	25
31	24
32	37
33	22
34	35
35	36
36	41
37	26
38	33
39	28
40	45
41	256
42	43
43	30
44	47
45	34
46	39
47	40
48	243
49	512
50	53
51	38
52	49
53	48
54	59
55	42
56	125
57	54
58	61
59	44
60	63
61	50
62	729
63	1024
64	67
65	46
66	51

[1, 2, 3, 4, 5, 6, 7, 8, 11, 9, 16, 13, 10, 27, 32, 17, 12, 19, 14, 15, 64, 23, 18, 29, 20, 81, 128, 31, 21, 25, 24, 37, 22, 35, 36, 41, 26, 33, 28, 45, 256, 43, 30, 47, 34, 39, 40, 243, 512, 53, 38, 49, 48, 59, 42, 125, 54, 61, 44, 63, 50, 729, 1024, 67, 46, 51]

cp's OEIS Frontend

A377193 Lexicographically earliest infinite sequence of distinct positive integers such that any term j = a(n-1) with primorial kernel is followed by a prime, whereas any other term is followed by a number with prime factors p < q = Gpf(j) which do not divide j.

Table of values

List of values