A354584 - cp's OEIS frontend

A354584 Irregular triangle read by rows where row k lists the run-sums of the multiset (weakly increasing sequence) of prime indices of n.

n	a(n)
1	1
2	2
3	2
4	3
5	1
6	2
7	4
8	3
9	4
10	1
11	3
12	5
13	2
14	2
15	6
16	1
17	4
18	2
19	3
20	4
21	7
22	1
23	4
24	8
25	2
26	3
27	2
28	4
29	1
30	5
31	9
32	3
33	2
34	6
35	1
36	6
37	6
38	2
39	4
40	10
41	1
42	2
43	3
44	11
45	5
46	2
47	5
48	1
49	7
50	3
51	4
52	2
53	4
54	12
55	1
56	8
57	2
58	6
59	3
60	3
61	13
62	1
63	2
64	4
65	14
66	2
67	5
68	4
69	3
70	1
71	9
72	15
73	4
74	2
75	8
76	1
77	6
78	2
79	7
80	2
81	6
82	16

[1, 2, 2, 3, 1, 2, 4, 3, 4, 1, 3, 5, 2, 2, 6, 1, 4, 2, 3, 4, 7, 1, 4, 8, 2, 3, 2, 4, 1, 5, 9, 3, 2, 6, 1, 6, 6, 2, 4, 10, 1, 2, 3, 11, 5, 2, 5, 1, 7, 3, 4, 2, 4, 12, 1, 8, 2, 6, 3, 3, 13, 1, 2, 4, 14, 2, 5, 4, 3, 1, 9, 15, 4, 2, 8, 1, 6, 2, 7, 2, 6, 16]

cp's OEIS Frontend

A354584 Irregular triangle read by rows where row k lists the run-sums of the multiset (weakly increasing sequence) of prime indices of n.

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	3
5	1
6	2
7	4
8	3
9	4
10	1
11	3
12	5
13	2
14	2
15	6
16	1
17	4
18	2
19	3
20	4
21	7
22	1
23	4
24	8
25	2
26	3
27	2
28	4
29	1
30	5
31	9
32	3
33	2
34	6
35	1
36	6
37	6
38	2
39	4
40	10
41	1
42	2
43	3
44	11
45	5
46	2
47	5
48	1
49	7
50	3
51	4
52	2
53	4
54	12
55	1
56	8
57	2
58	6
59	3
60	3
61	13
62	1
63	2
64	4
65	14
66	2
67	5
68	4
69	3
70	1
71	9
72	15
73	4
74	2
75	8
76	1
77	6
78	2
79	7
80	2
81	6
82	16

n	a(n)
1	1
2	2
3	2
4	3
5	1
6	2
7	4
8	3
9	4
10	1
11	3
12	5
13	2
14	2
15	6
16	1
17	4
18	2
19	3
20	4
21	7
22	1
23	4
24	8
25	2
26	3
27	2
28	4
29	1
30	5
31	9
32	3
33	2
34	6
35	1
36	6
37	6
38	2
39	4
40	10
41	1
42	2
43	3
44	11
45	5
46	2
47	5
48	1
49	7
50	3
51	4
52	2
53	4
54	12
55	1
56	8
57	2
58	6
59	3
60	3
61	13
62	1
63	2
64	4
65	14
66	2
67	5
68	4
69	3
70	1
71	9
72	15
73	4
74	2
75	8
76	1
77	6
78	2
79	7
80	2
81	6
82	16

n	a(n)
1	1
2	2
3	2
4	3
5	1
6	2
7	4
8	3
9	4
10	1
11	3
12	5
13	2
14	2
15	6
16	1
17	4
18	2
19	3
20	4
21	7
22	1
23	4
24	8
25	2
26	3
27	2
28	4
29	1
30	5
31	9
32	3
33	2
34	6
35	1
36	6
37	6
38	2
39	4
40	10
41	1
42	2
43	3
44	11
45	5
46	2
47	5
48	1
49	7
50	3
51	4
52	2
53	4
54	12
55	1
56	8
57	2
58	6
59	3
60	3
61	13
62	1
63	2
64	4
65	14
66	2
67	5
68	4
69	3
70	1
71	9
72	15
73	4
74	2
75	8
76	1
77	6
78	2
79	7
80	2
81	6
82	16