A329813 - cp's OEIS frontend

A329813 a(n) = denominator(b(n)), where b(0) = b(1) = 1 and b(n) = n*b(n-1)/b(n-2) for n >= 1.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	5
9	5
10	7
11	14
12	6
13	15
14	275
15	11
16	91
17	637
18	14
19	200
20	935
21	187
22	247
23	12103
24	245
25	22
26	47311
27	4301
28	247
29	112385
30	5733
31	2772
32	1372019
33	11339
34	38285
35	398164
36	2184
37	86394
38	23324323
39	56695
40	21793
41	69977323
42	77064
43	49368
44	434680565
45	464899
46	937099
47	6018049778
48	635778
49	2128995
50	93977938153

[1, 1, 1, 1, 1, 1, 1, 2, 5, 5, 7, 14, 6, 15, 275, 11, 91, 637, 14, 200, 935, 187, 247, 12103, 245, 22, 47311, 4301, 247, 112385, 5733, 2772, 1372019, 11339, 38285, 398164, 2184, 86394, 23324323, 56695, 21793, 69977323, 77064, 49368, 434680565, 464899, 937099, 6018049778, 635778, 2128995, 93977938153]

cp's OEIS Frontend

A329813 a(n) = denominator(b(n)), where b(0) = b(1) = 1 and b(n) = n*b(n-1)/b(n-2) for n >= 1.

Table of values

List of values