A292258 - cp's OEIS frontend

A292258 a(1) = 1; for n > 1, a(n) = prime(A101296(n)-1) * a(floor(n/2)).

n	a(n)
1	1
2	2
3	2
4	6
5	4
6	10
7	4
8	42
9	18
10	20
11	8
12	110
13	20
14	20
15	20
16	546
17	84
18	198
19	36
20	220
21	100
22	40
23	16
24	1870
25	330
26	100
27	140
28	220
29	40
30	380
31	40
32	12558
33	2730
34	420
35	420
36	5742
37	396
38	180
39	180
40	3740
41	440
42	1900
43	200
44	440
45	440
46	80
47	32
48	57970
49	5610
50	3630
51	1650
52	1100
53	200
54	2380
55	700
56	3740
57	1100
58	200
59	80
60	14060
61	760
62	200
63	440
64	514878

[1, 2, 2, 6, 4, 10, 4, 42, 18, 20, 8, 110, 20, 20, 20, 546, 84, 198, 36, 220, 100, 40, 16, 1870, 330, 100, 140, 220, 40, 380, 40, 12558, 2730, 420, 420, 5742, 396, 180, 180, 3740, 440, 1900, 200, 440, 440, 80, 32, 57970, 5610, 3630, 1650, 1100, 200, 2380, 700, 3740, 1100, 200, 80, 14060, 760, 200, 440, 514878]

cp's OEIS Frontend

A292258 a(1) = 1; for n > 1, a(n) = prime(A101296(n)-1) * a(floor(n/2)).

Table of values

List of values