A279912 - cp's OEIS frontend

A279912 a(n) = Sum_{i=1..n} denominator(i^n/n).

n	a(n)
0	0
1	1
2	3
3	7
4	10
5	21
6	21
7	43
8	36
9	57
10	63
11	111
12	70
13	157
14	129
15	147
16	136
17	273
18	171
19	343
20	210
21	301
22	333
23	507
24	252
25	505
26	471
27	495
28	430
29	813
30	441
31	931
32	528
33	777
34	819
35	903
36	570
37	1333
38	1029
39	1099
40	756
41	1641
42	903
43	1807
44	1110
45	1197
46	1521
47	2163
48	952
49	2065
50	1515
51	1911
52	1570
53	2757

[0, 1, 3, 7, 10, 21, 21, 43, 36, 57, 63, 111, 70, 157, 129, 147, 136, 273, 171, 343, 210, 301, 333, 507, 252, 505, 471, 495, 430, 813, 441, 931, 528, 777, 819, 903, 570, 1333, 1029, 1099, 756, 1641, 903, 1807, 1110, 1197, 1521, 2163, 952, 2065, 1515, 1911, 1570, 2757]

cp's OEIS Frontend

A279912 a(n) = Sum_{i=1..n} denominator(i^n/n).

Table of values

List of values