A353844 - cp's OEIS frontend

A353844 Starting with the multiset of prime indices of n, repeatedly take the multiset of run-sums until you reach a squarefree number. This number is prime (or 1) iff n belongs to the sequence.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	12
11	13
12	16
13	17
14	19
15	23
16	25
17	27
18	29
19	31
20	32
21	37
22	40
23	41
24	43
25	47
26	49
27	53
28	59
29	61
30	63
31	64
32	67
33	71
34	73
35	79
36	81
37	83
38	84
39	89
40	97
41	101
42	103
43	107
44	109
45	112
46	113
47	121
48	125
49	127
50	128
51	131
52	137
53	139
54	144
55	149
56	151
57	157
58	163
59	167
60	169
61	173
62	179

[1, 2, 3, 4, 5, 7, 8, 9, 11, 12, 13, 16, 17, 19, 23, 25, 27, 29, 31, 32, 37, 40, 41, 43, 47, 49, 53, 59, 61, 63, 64, 67, 71, 73, 79, 81, 83, 84, 89, 97, 101, 103, 107, 109, 112, 113, 121, 125, 127, 128, 131, 137, 139, 144, 149, 151, 157, 163, 167, 169, 173, 179]

cp's OEIS Frontend

A353844 Starting with the multiset of prime indices of n, repeatedly take the multiset of run-sums until you reach a squarefree number. This number is prime (or 1) iff n belongs to the sequence.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	12
11	13
12	16
13	17
14	19
15	23
16	25
17	27
18	29
19	31
20	32
21	37
22	40
23	41
24	43
25	47
26	49
27	53
28	59
29	61
30	63
31	64
32	67
33	71
34	73
35	79
36	81
37	83
38	84
39	89
40	97
41	101
42	103
43	107
44	109
45	112
46	113
47	121
48	125
49	127
50	128
51	131
52	137
53	139
54	144
55	149
56	151
57	157
58	163
59	167
60	169
61	173
62	179

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	12
11	13
12	16
13	17
14	19
15	23
16	25
17	27
18	29
19	31
20	32
21	37
22	40
23	41
24	43
25	47
26	49
27	53
28	59
29	61
30	63
31	64
32	67
33	71
34	73
35	79
36	81
37	83
38	84
39	89
40	97
41	101
42	103
43	107
44	109
45	112
46	113
47	121
48	125
49	127
50	128
51	131
52	137
53	139
54	144
55	149
56	151
57	157
58	163
59	167
60	169
61	173
62	179

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	12
11	13
12	16
13	17
14	19
15	23
16	25
17	27
18	29
19	31
20	32
21	37
22	40
23	41
24	43
25	47
26	49
27	53
28	59
29	61
30	63
31	64
32	67
33	71
34	73
35	79
36	81
37	83
38	84
39	89
40	97
41	101
42	103
43	107
44	109
45	112
46	113
47	121
48	125
49	127
50	128
51	131
52	137
53	139
54	144
55	149
56	151
57	157
58	163
59	167
60	169
61	173
62	179