A058524 - cp's OEIS frontend

A058524 Each c(i) is "multiply" (*) or "divide" (/). a(n) is number of choices for c(1), ..., c(n-1) so that 1 c(1) 2 c(2) 3,.., c(n-1) n is an integer.

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	8
7	8
8	13
9	21
10	77
11	77
12	128
13	128
14	354
15	641
16	1232
17	1232
18	2677
19	2677
20	7220
21	8951
22	25378
23	25378
24	63680
25	113335
26	323151
27	532358
28	1442702
29	1442702
30	2963955
31	2963955
32	5307221
33	6739508
34	21786788
35	41416560
36	83691901
37	83691901
38	242224403
39	373640477
40	669300795
41	669300795

[1, 1, 1, 2, 2, 8, 8, 13, 21, 77, 77, 128, 128, 354, 641, 1232, 1232, 2677, 2677, 7220, 8951, 25378, 25378, 63680, 113335, 323151, 532358, 1442702, 1442702, 2963955, 2963955, 5307221, 6739508, 21786788, 41416560, 83691901, 83691901, 242224403, 373640477, 669300795, 669300795]

cp's OEIS Frontend

A058524 Each c(i) is "multiply" (*) or "divide" (/). a(n) is number of choices for c(1), ..., c(n-1) so that 1 c(1) 2 c(2) 3,.., c(n-1) n is an integer.

Table of values

List of values