A329654 - cp's OEIS frontend

A329654 a(n) = numerator(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	2
3	6
4	12
5	10
6	5
7	7
8	28
9	72
10	180
11	275
12	55
13	91
14	2548
15	252
16	3600
17	18700
18	187
19	1729
20	12103
21	5880
22	13200
23	473110
24	4301
25	247
26	786695
27	171990
28	16632
29	5488076
30	124729
31	38285
32	27871480
33	550368
34	3110184
35	23324323
36	56695
37	1416545
38	559818584
39	3236688
40	2073456
41	4781486215
42	2324495
43	937099
44	12036099556

[1, 1, 2, 6, 12, 10, 5, 7, 28, 72, 180, 275, 55, 91, 2548, 252, 3600, 18700, 187, 1729, 12103, 5880, 13200, 473110, 4301, 247, 786695, 171990, 16632, 5488076, 124729, 38285, 27871480, 550368, 3110184, 23324323, 56695, 1416545, 559818584, 3236688, 2073456, 4781486215, 2324495, 937099, 12036099556]

cp's OEIS Frontend

A329654 a(n) = numerator(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