A064924 - cp's OEIS frontend

A064924 If n is prime then a(n) = n; for the subsequent nonprime positions a(n + k) = (k+1)*n; then at the next prime position a new subsequence begins.

n	a(n)
2	2
3	3
4	6
5	5
6	10
7	7
8	14
9	21
10	28
11	11
12	22
13	13
14	26
15	39
16	52
17	17
18	34
19	19
20	38
21	57
22	76
23	23
24	46
25	69
26	92
27	115
28	138
29	29
30	58
31	31
32	62
33	93
34	124
35	155
36	186
37	37
38	74
39	111
40	148
41	41
42	82
43	43
44	86
45	129
46	172
47	47
48	94
49	141
50	188
51	235
52	282
53	53
54	106
55	159
56	212
57	265
58	318
59	59
60	118
61	61
62	122
63	183
64	244

[2, 3, 6, 5, 10, 7, 14, 21, 28, 11, 22, 13, 26, 39, 52, 17, 34, 19, 38, 57, 76, 23, 46, 69, 92, 115, 138, 29, 58, 31, 62, 93, 124, 155, 186, 37, 74, 111, 148, 41, 82, 43, 86, 129, 172, 47, 94, 141, 188, 235, 282, 53, 106, 159, 212, 265, 318, 59, 118, 61, 122, 183, 244]

cp's OEIS Frontend

A064924 If n is prime then a(n) = n; for the subsequent nonprime positions a(n + k) = (k+1)*n; then at the next prime position a new subsequence begins.

Table of values

List of values

n	a(n)
2	2
3	3
4	6
5	5
6	10
7	7
8	14
9	21
10	28
11	11
12	22
13	13
14	26
15	39
16	52
17	17
18	34
19	19
20	38
21	57
22	76
23	23
24	46
25	69
26	92
27	115
28	138
29	29
30	58
31	31
32	62
33	93
34	124
35	155
36	186
37	37
38	74
39	111
40	148
41	41
42	82
43	43
44	86
45	129
46	172
47	47
48	94
49	141
50	188
51	235
52	282
53	53
54	106
55	159
56	212
57	265
58	318
59	59
60	118
61	61
62	122
63	183
64	244

n	a(n)
2	2
3	3
4	6
5	5
6	10
7	7
8	14
9	21
10	28
11	11
12	22
13	13
14	26
15	39
16	52
17	17
18	34
19	19
20	38
21	57
22	76
23	23
24	46
25	69
26	92
27	115
28	138
29	29
30	58
31	31
32	62
33	93
34	124
35	155
36	186
37	37
38	74
39	111
40	148
41	41
42	82
43	43
44	86
45	129
46	172
47	47
48	94
49	141
50	188
51	235
52	282
53	53
54	106
55	159
56	212
57	265
58	318
59	59
60	118
61	61
62	122
63	183
64	244

n	a(n)
2	2
3	3
4	6
5	5
6	10
7	7
8	14
9	21
10	28
11	11
12	22
13	13
14	26
15	39
16	52
17	17
18	34
19	19
20	38
21	57
22	76
23	23
24	46
25	69
26	92
27	115
28	138
29	29
30	58
31	31
32	62
33	93
34	124
35	155
36	186
37	37
38	74
39	111
40	148
41	41
42	82
43	43
44	86
45	129
46	172
47	47
48	94
49	141
50	188
51	235
52	282
53	53
54	106
55	159
56	212
57	265
58	318
59	59
60	118
61	61
62	122
63	183
64	244