A329887 - cp's OEIS frontend

A329887 a(0) = 1, a(1) = 2; for n > 1, if n is even, then a(n) = 2*a(n/2), and if n is odd, a(n) = A283980(a((n-1)/2)).

n	a(n)
0	1
1	2
2	4
3	6
4	8
5	36
6	12
7	30
8	16
9	216
10	72
11	900
12	24
13	180
14	60
15	210
16	32
17	1296
18	432
19	27000
20	144
21	5400
22	1800
23	44100
24	48
25	1080
26	360
27	6300
28	120
29	1260
30	420
31	2310
32	64
33	7776
34	2592
35	810000
36	864
37	162000
38	54000
39	9261000
40	288
41	32400
42	10800
43	1323000
44	3600
45	264600
46	88200
47	5336100
48	96
49	6480
50	2160
51	189000
52	720
53	37800
54	12600
55	485100
56	240

[1, 2, 4, 6, 8, 36, 12, 30, 16, 216, 72, 900, 24, 180, 60, 210, 32, 1296, 432, 27000, 144, 5400, 1800, 44100, 48, 1080, 360, 6300, 120, 1260, 420, 2310, 64, 7776, 2592, 810000, 864, 162000, 54000, 9261000, 288, 32400, 10800, 1323000, 3600, 264600, 88200, 5336100, 96, 6480, 2160, 189000, 720, 37800, 12600, 485100, 240]

cp's OEIS Frontend

A329887 a(0) = 1, a(1) = 2; for n > 1, if n is even, then a(n) = 2*a(n/2), and if n is odd, a(n) = A283980(a((n-1)/2)).

Table of values

List of values