A081852 - cp's OEIS frontend

A081852 Consider recurrence b(0) = n/3, b(n) = b(0)*ceiling(b(n-1)); sequence gives first integer reached (or -1 if no integer is ever reached).

n	a(n)
3	1
4	4
5	20
6	2
7	7
8	8
9	3
10	26631380
11	55
12	4
13	416
14	112
15	5
16	32
17	34
18	6
19	285
20	13960
21	7
22	67358874
23	214544
24	8
25	75
26	78
27	9
28	62186796
29	7399041846
30	10
31	1178
32	173857344
33	11
34	136
35	140
36	12
37	24494
38	2090
39	13
40	78824360
41	2624
42	14
43	215
44	220
45	15
46	3772
47	61617
48	16
49	23001295794169
50	78900
51	17
52	312

[1, 4, 20, 2, 7, 8, 3, 26631380, 55, 4, 416, 112, 5, 32, 34, 6, 285, 13960, 7, 67358874, 214544, 8, 75, 78, 9, 62186796, 7399041846, 10, 1178, 173857344, 11, 136, 140, 12, 24494, 2090, 13, 78824360, 2624, 14, 215, 220, 15, 3772, 61617, 16, 23001295794169, 78900, 17, 312]

cp's OEIS Frontend

A081852 Consider recurrence b(0) = n/3, b(n) = b(0)*ceiling(b(n-1)); sequence gives first integer reached (or -1 if no integer is ever reached).

Table of values

List of values