A114183 - cp's OEIS frontend

A114183 a(1) = 1; for n>1, a(n) = floor(sqrt(a(n-1))) if that number is not already in the sequence, otherwise a(n) = 2a(n-1).

n	a(n)
1	1
2	2
3	4
4	8
5	16
6	32
7	5
8	10
9	3
10	6
11	12
12	24
13	48
14	96
15	9
16	18
17	36
18	72
19	144
20	288
21	576
22	1152
23	33
24	66
25	132
26	11
27	22
28	44
29	88
30	176
31	13
32	26
33	52
34	7
35	14
36	28
37	56
38	112
39	224
40	448
41	21
42	42
43	84
44	168
45	336
46	672
47	25
48	50
49	100
50	200
51	400
52	20
53	40
54	80
55	160
56	320
57	17
58	34
59	68
60	136
61	272
62	544
63	23
64	46
65	92

[1, 2, 4, 8, 16, 32, 5, 10, 3, 6, 12, 24, 48, 96, 9, 18, 36, 72, 144, 288, 576, 1152, 33, 66, 132, 11, 22, 44, 88, 176, 13, 26, 52, 7, 14, 28, 56, 112, 224, 448, 21, 42, 84, 168, 336, 672, 25, 50, 100, 200, 400, 20, 40, 80, 160, 320, 17, 34, 68, 136, 272, 544, 23, 46, 92]

cp's OEIS Frontend

A114183 a(1) = 1; for n>1, a(n) = floor(sqrt(a(n-1))) if that number is not already in the sequence, otherwise a(n) = 2a(n-1).

Table of values

List of values