A269308 - cp's OEIS frontend

A269308 Consider a number x. 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 sum of the divisors of x.

n	a(n)
1	20
2	25
3	43
4	44
5	49
6	59
7	122
8	206
9	2485
10	11899
11	17608
12	24141
13	56207
14	195236
15	2424613
16	2842925
17	6241233
18	59087970
19	111205290
20	124735931
21	224269761
22	1086241193

[20, 25, 43, 44, 49, 59, 122, 206, 2485, 11899, 17608, 24141, 56207, 195236, 2424613, 2842925, 6241233, 59087970, 111205290, 124735931, 224269761, 1086241193]

cp's OEIS Frontend

A269308 Consider a number x. 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 sum of the divisors of x.

Table of values

List of values