A373842 - cp's OEIS frontend

A373842 a(n) = A003415(A276085(n)), where A003415 is the arithmetic derivative and A276085 is the primorial base log-function.

n	a(n)
1	0
2	0
3	1
4	1
5	5
6	1
7	31
8	1
9	4
10	1
11	247
12	4
13	2927
14	1
15	12
16	4
17	40361
18	1
19	716167
20	12
21	80
22	1
23	14117683
24	1
25	16
26	1
27	5
28	80
29	334406399
30	6
31	9920878441
32	1
33	216
34	568
35	60
36	5
37	314016924901
38	33975
39	3740
40	6
41	11819186711467
42	14
43	492007393304957
44	216
45	7
46	28300
47	21460568175640361
48	5
49	92
50	1
51	60080
52	3740
53	1021729465586766997
54	1
55	540
56	14

[0, 0, 1, 1, 5, 1, 31, 1, 4, 1, 247, 4, 2927, 1, 12, 4, 40361, 1, 716167, 12, 80, 1, 14117683, 1, 16, 1, 5, 80, 334406399, 6, 9920878441, 1, 216, 568, 60, 5, 314016924901, 33975, 3740, 6, 11819186711467, 14, 492007393304957, 216, 7, 28300, 21460568175640361, 5, 92, 1, 60080, 3740, 1021729465586766997, 1, 540, 14]

cp's OEIS Frontend

A373842 a(n) = A003415(A276085(n)), where A003415 is the arithmetic derivative and A276085 is the primorial base log-function.

Table of values

List of values