A317833 - cp's OEIS frontend

A317833 Numerators of rational valued sequence whose Dirichlet convolution with itself yields A078898 (the ordinal transform of A020639, the smallest prime factor of n).

n	a(n)
1	1
2	1
3	1
4	7
5	1
6	5
7	1
8	25
9	7
10	9
11	1
12	31
13	1
14	13
15	5
16	363
17	1
18	55
19	1
20	55
21	7
22	21
23	1
24	101
25	7
26	25
27	33
28	79
29	1
30	41
31	1
32	1335
33	11
34	33
35	5
36	305
37	1
38	37
39	13
40	177
41	1
42	59
43	1
44	127
45	47
46	45
47	1
48	1371
49	7
50	175
51	17
52	151
53	1
54	309
55	7
56	253
57	19
58	57
59	1
60	187
61	1
62	61
63	67
64	9923
65	9
66	95
67	1
68	199
69	23
70	113
71	1
72	927
73	1
74	73
75	87
76	223
77	5
78	113
79	1
80	2379
81	715
82	81
83	1
84	265
85	11

[1, 1, 1, 7, 1, 5, 1, 25, 7, 9, 1, 31, 1, 13, 5, 363, 1, 55, 1, 55, 7, 21, 1, 101, 7, 25, 33, 79, 1, 41, 1, 1335, 11, 33, 5, 305, 1, 37, 13, 177, 1, 59, 1, 127, 47, 45, 1, 1371, 7, 175, 17, 151, 1, 309, 7, 253, 19, 57, 1, 187, 1, 61, 67, 9923, 9, 95, 1, 199, 23, 113, 1, 927, 1, 73, 87, 223, 5, 113, 1, 2379, 715, 81, 1, 265, 11]

cp's OEIS Frontend

A317833 Numerators of rational valued sequence whose Dirichlet convolution with itself yields A078898 (the ordinal transform of A020639, the smallest prime factor of n).

Table of values

List of values