A185651 - cp's OEIS frontend

A185651 A(n,k) = Sum_{d|n} phi(d)*k^(n/d); square array A(n,k), n>=0, k>=0, read by antidiagonals.

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	0
7	2
8	2
9	0
10	0
11	3
12	6
13	3
14	0
15	0
16	4
17	12
18	12
19	4
20	0
21	0
22	5
23	20
24	33
25	24
26	5
27	0
28	0
29	6
30	30
31	72
32	96
33	40
34	6
35	0
36	0
37	7
38	42
39	135
40	280
41	255
42	84
43	7
44	0
45	0
46	8
47	56
48	228
49	660
50	1040
51	780
52	140
53	8
54	0
55	0
56	9
57	72
58	357
59	1344
60	3145
61	4200
62	2205
63	288
64	9
65	0

[0, 0, 0, 0, 1, 0, 0, 2, 2, 0, 0, 3, 6, 3, 0, 0, 4, 12, 12, 4, 0, 0, 5, 20, 33, 24, 5, 0, 0, 6, 30, 72, 96, 40, 6, 0, 0, 7, 42, 135, 280, 255, 84, 7, 0, 0, 8, 56, 228, 660, 1040, 780, 140, 8, 0, 0, 9, 72, 357, 1344, 3145, 4200, 2205, 288, 9, 0]

cp's OEIS Frontend

A185651 A(n,k) = Sum_{d|n} phi(d)*k^(n/d); square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

List of values