A363373 - cp's OEIS frontend

A363373 a(n) is the least k such that, if x_0, x_1, x_2, ... are the iterations of the arithmetic derivative A003415 starting with x_0 = k, x_0 > x_1 > ... > x_n.

n	a(n)
0	0
1	1
2	2
3	6
4	9
5	14
6	33
7	62
8	177
9	886
10	1155
11	1719
12	3255
13	4018
14	13377
15	19942
16	46022
17	103401
18	193426
19	422751
20	634113
21	1080742
22	2850591
23	5493662
24	10252635
25	25631525
26	51217666
27	135055839

[0, 1, 2, 6, 9, 14, 33, 62, 177, 886, 1155, 1719, 3255, 4018, 13377, 19942, 46022, 103401, 193426, 422751, 634113, 1080742, 2850591, 5493662, 10252635, 25631525, 51217666, 135055839]

cp's OEIS Frontend

A363373 a(n) is the least k such that, if x_0, x_1, x_2, ... are the iterations of the arithmetic derivative A003415 starting with x_0 = k, x_0 > x_1 > ... > x_n.

Table of values

List of values