A050100 - cp's OEIS frontend

A050100 a(n) = floor(a(n-1)/3) if this is positive and not yet in the sequence, otherwise a(n) = 10*a(n-1).

n	a(n)
1	1
2	10
3	3
4	30
5	300
6	100
7	33
8	11
9	110
10	36
11	12
12	4
13	40
14	13
15	130
16	43
17	14
18	140
19	46
20	15
21	5
22	50
23	16
24	160
25	53
26	17
27	170
28	56
29	18
30	6
31	2
32	20
33	200
34	66
35	22
36	7
37	70
38	23
39	230
40	76
41	25
42	8
43	80
44	26
45	260
46	86
47	28
48	9
49	90
50	900
51	9000
52	3000
53	1000
54	333
55	111
56	37
57	370

[1, 10, 3, 30, 300, 100, 33, 11, 110, 36, 12, 4, 40, 13, 130, 43, 14, 140, 46, 15, 5, 50, 16, 160, 53, 17, 170, 56, 18, 6, 2, 20, 200, 66, 22, 7, 70, 23, 230, 76, 25, 8, 80, 26, 260, 86, 28, 9, 90, 900, 9000, 3000, 1000, 333, 111, 37, 370]

cp's OEIS Frontend

A050100 a(n) = floor(a(n-1)/3) if this is positive and not yet in the sequence, otherwise a(n) = 10*a(n-1).

Table of values

List of values