A349277 - cp's OEIS frontend

A349277 Triangle T(n,k), n >= 1, 1 <= k <= n, read by rows, where T(n,k) is the number of permutations p of [n] such that Sum_{j=1..n} j/p(j) is an integer and p(n) = k.

n	a(n)
1	1
2	0
3	1
4	0
5	0
6	1
7	1
8	0
9	0
10	1
11	0
12	0
13	0
14	0
15	2
16	1
17	1
18	2
19	2
20	0
21	2
22	0
23	0
24	0
25	0
26	0
27	0
28	8
29	4
30	4
31	2
32	2
33	0
34	2
35	0
36	8
37	18
38	18
39	14
40	18
41	0
42	14
43	0
44	0
45	22
46	113
47	130
48	102
49	135
50	108
51	122
52	0
53	314
54	0
55	104
56	0
57	0
58	0
59	0
60	0
61	0
62	0
63	0
64	0
65	0
66	1128
67	1152
68	1166
69	1130
70	1078
71	1334
72	1182
73	0
74	1734
75	3390
76	1226
77	0
78	1128
79	0
80	0
81	0
82	0
83	0
84	0
85	0
86	0
87	0
88	0
89	0
90	0
91	14520

[1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 2, 1, 1, 2, 2, 0, 2, 0, 0, 0, 0, 0, 0, 8, 4, 4, 2, 2, 0, 2, 0, 8, 18, 18, 14, 18, 0, 14, 0, 0, 22, 113, 130, 102, 135, 108, 122, 0, 314, 0, 104, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1128, 1152, 1166, 1130, 1078, 1334, 1182, 0, 1734, 3390, 1226, 0, 1128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14520]

cp's OEIS Frontend

A349277 Triangle T(n,k), n >= 1, 1 <= k <= n, read by rows, where T(n,k) is the number of permutations p of [n] such that Sum_{j=1..n} j/p(j) is an integer and p(n) = k.

Table of values

List of values