A054630 - cp's OEIS frontend

A054630 T(n,k) = Sum_{d|k} phi(d)*n^(k/d)/k, triangle read by rows, T(n,k) for n >= 1 and 1 <= k <= n.

n	a(n)
1	1
2	2
3	3
4	3
5	6
6	11
7	4
8	10
9	24
10	70
11	5
12	15
13	45
14	165
15	629
16	6
17	21
18	76
19	336
20	1560
21	7826
22	7
23	28
24	119
25	616
26	3367
27	19684
28	117655
29	8
30	36
31	176
32	1044
33	6560
34	43800
35	299600
36	2097684
37	9
38	45
39	249
40	1665
41	11817
42	88725
43	683289
44	5381685
45	43046889
46	10
47	55
48	340
49	2530
50	20008
51	166870
52	1428580
53	12501280
54	111111340
55	1000010044

[1, 2, 3, 3, 6, 11, 4, 10, 24, 70, 5, 15, 45, 165, 629, 6, 21, 76, 336, 1560, 7826, 7, 28, 119, 616, 3367, 19684, 117655, 8, 36, 176, 1044, 6560, 43800, 299600, 2097684, 9, 45, 249, 1665, 11817, 88725, 683289, 5381685, 43046889, 10, 55, 340, 2530, 20008, 166870, 1428580, 12501280, 111111340, 1000010044]

cp's OEIS Frontend

A054630 T(n,k) = Sum_{d|k} phi(d)*n^(k/d)/k, triangle read by rows, T(n,k) for n >= 1 and 1 <= k <= n.

Table of values

List of values