A047917 - cp's OEIS frontend

A047917 Triangular array read by rows: a(n,k) = phi(n/k)(n/k)^kk!/n if k|n else 0 (1<=k<=n).

n	a(n)
1	1
2	1
3	1
4	2
5	0
6	2
7	2
8	2
9	0
10	6
11	4
12	0
13	0
14	0
15	24
16	2
17	6
18	8
19	0
20	0
21	120
22	6
23	0
24	0
25	0
26	0
27	0
28	720
29	4
30	8
31	0
32	48
33	0
34	0
35	0
36	5040
37	6
38	0
39	36
40	0
41	0
42	0
43	0
44	0
45	40320
46	4
47	20
48	0
49	0
50	384
51	0
52	0
53	0
54	0
55	362880
56	10
57	0
58	0
59	0
60	0
61	0
62	0
63	0
64	0
65	0
66	3628800
67	4
68	12
69	64
70	324
71	0
72	3840
73	0
74	0
75	0
76	0

[1, 1, 1, 2, 0, 2, 2, 2, 0, 6, 4, 0, 0, 0, 24, 2, 6, 8, 0, 0, 120, 6, 0, 0, 0, 0, 0, 720, 4, 8, 0, 48, 0, 0, 0, 5040, 6, 0, 36, 0, 0, 0, 0, 0, 40320, 4, 20, 0, 0, 384, 0, 0, 0, 0, 362880, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3628800, 4, 12, 64, 324, 0, 3840, 0, 0, 0, 0]

cp's OEIS Frontend

A047917 Triangular array read by rows: a(n,k) = phi(n/k)(n/k)^kk!/n if k|n else 0 (1<=k<=n).

Table of values

List of values

cp's OEIS Frontend

A047917 Triangular array read by rows: a(n,k) = phi(n/k)*(n/k)^k*k!/n if k|n else 0 (1<=k<=n).

Table of values

List of values

A047917 Triangular array read by rows: a(n,k) = phi(n/k)(n/k)^kk!/n if k|n else 0 (1<=k<=n).