A131685 - cp's OEIS frontend

A131685 a(n) = smallest positive number m such that c(i) = m (i^1 + 1) (i^2 + 2) ... (i^n + n) / n! takes integral values for all i>=0.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	1
13	1
14	7
15	7
16	7
17	1
18	1
19	1
20	1
21	1
22	11
23	11
24	11
25	55
26	143
27	13
28	91
29	91
30	91
31	91
32	91
33	1001
34	17017
35	595595
36	595595
37	17017
38	46189
39	600457
40	3002285
41	3002285
42	3002285
43	3002285
44	6605027
45	3002285
46	726869
47	726869
48	726869

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 7, 7, 7, 1, 1, 1, 1, 1, 11, 11, 11, 55, 143, 13, 91, 91, 91, 91, 91, 1001, 17017, 595595, 595595, 17017, 46189, 600457, 3002285, 3002285, 3002285, 3002285, 6605027, 3002285, 726869, 726869, 726869]

cp's OEIS Frontend

A131685 a(n) = smallest positive number m such that c(i) = m (i^1 + 1) (i^2 + 2) ... (i^n + n) / n! takes integral values for all i>=0.

Table of values

List of values