A047916 - cp's OEIS frontend

A047916 Triangular array read by rows: a(n,k) = phi(n/k)(n/k)^kk! if k|n else 0 (1<=k<=n).

n	a(n)
1	1
2	2
3	2
4	6
5	0
6	6
7	8
8	8
9	0
10	24
11	20
12	0
13	0
14	0
15	120
16	12
17	36
18	48
19	0
20	0
21	720
22	42
23	0
24	0
25	0
26	0
27	0
28	5040
29	32
30	64
31	0
32	384
33	0
34	0
35	0
36	40320
37	54
38	0
39	324
40	0
41	0
42	0
43	0
44	0
45	362880
46	40
47	200
48	0
49	0
50	3840
51	0
52	0
53	0
54	0
55	3628800
56	110
57	0
58	0
59	0
60	0
61	0
62	0
63	0
64	0
65	0
66	39916800
67	48
68	144

[1, 2, 2, 6, 0, 6, 8, 8, 0, 24, 20, 0, 0, 0, 120, 12, 36, 48, 0, 0, 720, 42, 0, 0, 0, 0, 0, 5040, 32, 64, 0, 384, 0, 0, 0, 40320, 54, 0, 324, 0, 0, 0, 0, 0, 362880, 40, 200, 0, 0, 3840, 0, 0, 0, 0, 3628800, 110, 0, 0, 0, 0, 0, 0, 0, 0, 0, 39916800, 48, 144]

cp's OEIS Frontend

A047916 Triangular array read by rows: a(n,k) = phi(n/k)(n/k)^kk! if k|n else 0 (1<=k<=n).

Table of values

List of values

cp's OEIS Frontend

A047916 Triangular array read by rows: a(n,k) = phi(n/k)*(n/k)^k*k! if k|n else 0 (1<=k<=n).

Table of values

List of values

A047916 Triangular array read by rows: a(n,k) = phi(n/k)(n/k)^kk! if k|n else 0 (1<=k<=n).