A156344 - cp's OEIS frontend

A156344 Number of steps to reach a square starting from n and iterating the map: x -> x*ceiling(sqrt(x))/floor(sqrt(x)) or zero if no square is reached.

n	a(n)
1	1
2	2
3	3
4	1
5	6
6	2
7	9
8	3
9	1
10	14
11	103
12	2
13	19
14	7
15	3
16	1
17	26
18	10
19	105
20	2
21	33
22	13
23	312
24	3
25	1
26	42
27	691
28	241
29	27190
30	2
31	51
32	21
33	11
34	260
35	3
36	1
37	62
38	26
39	14
40	8
41	151
42	2
43	73
44	31
45	17
46	492
47	268
48	3
49	1
50	86
51	2535
52	869
53	315546
54	1065
55	183
56	2
57	99
58	43
59	2226
60	15
61	350
62	294
63	3
64	1
65	114
66	50
67	1457
68	18

[1, 2, 3, 1, 6, 2, 9, 3, 1, 14, 103, 2, 19, 7, 3, 1, 26, 10, 105, 2, 33, 13, 312, 3, 1, 42, 691, 241, 27190, 2, 51, 21, 11, 260, 3, 1, 62, 26, 14, 8, 151, 2, 73, 31, 17, 492, 268, 3, 1, 86, 2535, 869, 315546, 1065, 183, 2, 99, 43, 2226, 15, 350, 294, 3, 1, 114, 50, 1457, 18]

cp's OEIS Frontend

A156344 Number of steps to reach a square starting from n and iterating the map: x -> x*ceiling(sqrt(x))/floor(sqrt(x)) or zero if no square is reached.

Table of values

List of values