A269310 - cp's OEIS frontend

A269310 Consider a number x > 1. Take the sum of its digits. Repeat the process deleting the first addendum and adding the previous sum. The sequence lists the numbers that after some iterations reach the Euler totient function of x.

n	a(n)
1	22
2	44
3	55
4	88
5	98
6	136
7	162
8	166
9	241
10	462
11	1020
12	2040
13	2416
14	2899
15	3060
16	4080
17	5110
18	7942
19	10738
20	10996
21	15006
22	24822
23	57040
24	67054
25	70625
26	75588
27	96888
28	261524
29	301834
30	507471
31	735840
32	816584
33	2893877
34	6081064
35	8155616
36	16513570
37	18772258
38	40833543

[22, 44, 55, 88, 98, 136, 162, 166, 241, 462, 1020, 2040, 2416, 2899, 3060, 4080, 5110, 7942, 10738, 10996, 15006, 24822, 57040, 67054, 70625, 75588, 96888, 261524, 301834, 507471, 735840, 816584, 2893877, 6081064, 8155616, 16513570, 18772258, 40833543]

cp's OEIS Frontend

A269310 Consider a number x > 1. Take the sum of its digits. Repeat the process deleting the first addendum and adding the previous sum. The sequence lists the numbers that after some iterations reach the Euler totient function of x.

Table of values

List of values