A329886 - cp's OEIS frontend

A329886 Primorial inflation of Doudna-tree: a(0) = 1, a(1) = 2; for n > 1, if n is even, a(n) = A283980(a(n/2)), and if n is odd, then a(n) = 2*a((n-1)/2).

n	a(n)
0	1
1	2
2	6
3	4
4	30
5	12
6	36
7	8
8	210
9	60
10	180
11	24
12	900
13	72
14	216
15	16
16	2310
17	420
18	1260
19	120
20	6300
21	360
22	1080
23	48
24	44100
25	1800
26	5400
27	144
28	27000
29	432
30	1296
31	32
32	30030
33	4620
34	13860
35	840
36	69300
37	2520
38	7560
39	240
40	485100
41	12600
42	37800
43	720
44	189000
45	2160
46	6480
47	96
48	5336100
49	88200
50	264600
51	3600
52	1323000
53	10800
54	32400
55	288
56	9261000

[1, 2, 6, 4, 30, 12, 36, 8, 210, 60, 180, 24, 900, 72, 216, 16, 2310, 420, 1260, 120, 6300, 360, 1080, 48, 44100, 1800, 5400, 144, 27000, 432, 1296, 32, 30030, 4620, 13860, 840, 69300, 2520, 7560, 240, 485100, 12600, 37800, 720, 189000, 2160, 6480, 96, 5336100, 88200, 264600, 3600, 1323000, 10800, 32400, 288, 9261000]

cp's OEIS Frontend

A329886 Primorial inflation of Doudna-tree: a(0) = 1, a(1) = 2; for n > 1, if n is even, a(n) = A283980(a(n/2)), and if n is odd, then a(n) = 2*a((n-1)/2).

Table of values

List of values