A351261 - cp's OEIS frontend

A351261 a(n) is the largest term encountered on the path to 0 when iterating the map x -> x', and starting from x = A351255(n). Here x' means the arithmetic derivative of x, A003415.

n	a(n)
1	1
2	2
3	3
4	6
5	9
6	21
7	5
8	10
9	31
10	25
11	185
12	375
13	1075
14	12575
15	7
16	14
17	21
18	42
19	165
20	70
21	105
22	318
23	365
24	1905
25	5385
26	2175
27	2825
28	49
29	98
30	1281
31	490
32	735
33	7287
34	2905
35	3745
36	17747
37	16975
38	43075
39	107150
40	370705
41	686
42	3871
43	5145
44	29953
45	115395
46	1001035
47	4475975
48	11285575
49	5145
50	115591
51	176645
52	234955
53	40817
54	156065
55	156065
56	1193297

[1, 2, 3, 6, 9, 21, 5, 10, 31, 25, 185, 375, 1075, 12575, 7, 14, 21, 42, 165, 70, 105, 318, 365, 1905, 5385, 2175, 2825, 49, 98, 1281, 490, 735, 7287, 2905, 3745, 17747, 16975, 43075, 107150, 370705, 686, 3871, 5145, 29953, 115395, 1001035, 4475975, 11285575, 5145, 115591, 176645, 234955, 40817, 156065, 156065, 1193297]

cp's OEIS Frontend

A351261 a(n) is the largest term encountered on the path to 0 when iterating the map x -> x', and starting from x = A351255(n). Here x' means the arithmetic derivative of x, A003415.

Table of values

List of values