A125088 - cp's OEIS frontend

A125088 a(1)=1. a(n) = sum of the earlier terms equal to any exponent in the prime-factorization of n.

n	a(n)
1	1
2	1
3	2
4	2
5	2
6	2
7	2
8	0
9	10
10	2
11	2
12	16
13	2
14	2
15	2
16	0
17	2
18	24
19	2
20	26
21	2
22	2
23	2
24	2
25	32
26	2
27	0
28	36
29	2
30	2
31	2
32	0
33	2
34	2
35	2
36	46
37	2
38	2
39	2
40	2
41	2
42	2
43	2
44	62
45	62
46	2
47	2
48	2
49	66
50	68
51	2
52	70
53	2
54	2
55	2
56	2
57	2
58	2
59	2
60	84
61	2
62	2
63	88
64	0
65	2
66	2
67	2
68	94
69	2
70	2
71	2
72	98
73	2
74	2
75	104
76	104
77	2
78	2
79	2
80	2
81	0
82	2
83	2
84	116
85	2
86	2
87	2
88	2
89	2
90	126
91	2
92	128

[1, 1, 2, 2, 2, 2, 2, 0, 10, 2, 2, 16, 2, 2, 2, 0, 2, 24, 2, 26, 2, 2, 2, 2, 32, 2, 0, 36, 2, 2, 2, 0, 2, 2, 2, 46, 2, 2, 2, 2, 2, 2, 2, 62, 62, 2, 2, 2, 66, 68, 2, 70, 2, 2, 2, 2, 2, 2, 2, 84, 2, 2, 88, 0, 2, 2, 2, 94, 2, 2, 2, 98, 2, 2, 104, 104, 2, 2, 2, 2, 0, 2, 2, 116, 2, 2, 2, 2, 2, 126, 2, 128]

cp's OEIS Frontend

A125088 a(1)=1. a(n) = sum of the earlier terms equal to any exponent in the prime-factorization of n.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	2
5	2
6	2
7	2
8	0
9	10
10	2
11	2
12	16
13	2
14	2
15	2
16	0
17	2
18	24
19	2
20	26
21	2
22	2
23	2
24	2
25	32
26	2
27	0
28	36
29	2
30	2
31	2
32	0
33	2
34	2
35	2
36	46
37	2
38	2
39	2
40	2
41	2
42	2
43	2
44	62
45	62
46	2
47	2
48	2
49	66
50	68
51	2
52	70
53	2
54	2
55	2
56	2
57	2
58	2
59	2
60	84
61	2
62	2
63	88
64	0
65	2
66	2
67	2
68	94
69	2
70	2
71	2
72	98
73	2
74	2
75	104
76	104
77	2
78	2
79	2
80	2
81	0
82	2
83	2
84	116
85	2
86	2
87	2
88	2
89	2
90	126
91	2
92	128

n	a(n)
1	1
2	1
3	2
4	2
5	2
6	2
7	2
8	0
9	10
10	2
11	2
12	16
13	2
14	2
15	2
16	0
17	2
18	24
19	2
20	26
21	2
22	2
23	2
24	2
25	32
26	2
27	0
28	36
29	2
30	2
31	2
32	0
33	2
34	2
35	2
36	46
37	2
38	2
39	2
40	2
41	2
42	2
43	2
44	62
45	62
46	2
47	2
48	2
49	66
50	68
51	2
52	70
53	2
54	2
55	2
56	2
57	2
58	2
59	2
60	84
61	2
62	2
63	88
64	0
65	2
66	2
67	2
68	94
69	2
70	2
71	2
72	98
73	2
74	2
75	104
76	104
77	2
78	2
79	2
80	2
81	0
82	2
83	2
84	116
85	2
86	2
87	2
88	2
89	2
90	126
91	2
92	128

n	a(n)
1	1
2	1
3	2
4	2
5	2
6	2
7	2
8	0
9	10
10	2
11	2
12	16
13	2
14	2
15	2
16	0
17	2
18	24
19	2
20	26
21	2
22	2
23	2
24	2
25	32
26	2
27	0
28	36
29	2
30	2
31	2
32	0
33	2
34	2
35	2
36	46
37	2
38	2
39	2
40	2
41	2
42	2
43	2
44	62
45	62
46	2
47	2
48	2
49	66
50	68
51	2
52	70
53	2
54	2
55	2
56	2
57	2
58	2
59	2
60	84
61	2
62	2
63	88
64	0
65	2
66	2
67	2
68	94
69	2
70	2
71	2
72	98
73	2
74	2
75	104
76	104
77	2
78	2
79	2
80	2
81	0
82	2
83	2
84	116
85	2
86	2
87	2
88	2
89	2
90	126
91	2
92	128