A175857 - cp's OEIS frontend

A175857 a(n) = possible values of A175856(m) in increasing order, where A175856(m): a(m) = m for m = noncomposites, a(m) = previous term - 1 for m = composites.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	10
9	11
10	12
11	13
12	16
13	17
14	18
15	19
16	20
17	21
18	22
19	23
20	26
21	27
22	28
23	29
24	30
25	31
26	34
27	35
28	36
29	37
30	40
31	41
32	42
33	43
34	44
35	45
36	46
37	47
38	48
39	49
40	50
41	51
42	52
43	53
44	56
45	57
46	58
47	59
48	60
49	61
50	64
51	65
52	66
53	67
54	68
55	69
56	70
57	71
58	72
59	73
60	76
61	77
62	78
63	79
64	80
65	81
66	82
67	83
68	84
69	85
70	86
71	87
72	88

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 16, 17, 18, 19, 20, 21, 22, 23, 26, 27, 28, 29, 30, 31, 34, 35, 36, 37, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 56, 57, 58, 59, 60, 61, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88]

cp's OEIS Frontend

A175857 a(n) = possible values of A175856(m) in increasing order, where A175856(m): a(m) = m for m = noncomposites, a(m) = previous term - 1 for m = composites.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	10
9	11
10	12
11	13
12	16
13	17
14	18
15	19
16	20
17	21
18	22
19	23
20	26
21	27
22	28
23	29
24	30
25	31
26	34
27	35
28	36
29	37
30	40
31	41
32	42
33	43
34	44
35	45
36	46
37	47
38	48
39	49
40	50
41	51
42	52
43	53
44	56
45	57
46	58
47	59
48	60
49	61
50	64
51	65
52	66
53	67
54	68
55	69
56	70
57	71
58	72
59	73
60	76
61	77
62	78
63	79
64	80
65	81
66	82
67	83
68	84
69	85
70	86
71	87
72	88

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	10
9	11
10	12
11	13
12	16
13	17
14	18
15	19
16	20
17	21
18	22
19	23
20	26
21	27
22	28
23	29
24	30
25	31
26	34
27	35
28	36
29	37
30	40
31	41
32	42
33	43
34	44
35	45
36	46
37	47
38	48
39	49
40	50
41	51
42	52
43	53
44	56
45	57
46	58
47	59
48	60
49	61
50	64
51	65
52	66
53	67
54	68
55	69
56	70
57	71
58	72
59	73
60	76
61	77
62	78
63	79
64	80
65	81
66	82
67	83
68	84
69	85
70	86
71	87
72	88

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	10
9	11
10	12
11	13
12	16
13	17
14	18
15	19
16	20
17	21
18	22
19	23
20	26
21	27
22	28
23	29
24	30
25	31
26	34
27	35
28	36
29	37
30	40
31	41
32	42
33	43
34	44
35	45
36	46
37	47
38	48
39	49
40	50
41	51
42	52
43	53
44	56
45	57
46	58
47	59
48	60
49	61
50	64
51	65
52	66
53	67
54	68
55	69
56	70
57	71
58	72
59	73
60	76
61	77
62	78
63	79
64	80
65	81
66	82
67	83
68	84
69	85
70	86
71	87
72	88