A186273 - cp's OEIS frontend

A186273 a(n) is the least number k having exactly n representations as m + sigma(m), where sigma(m) is the sum of the divisors of m.

n	a(n)
1	2
2	11
3	95
4	3623
5	2363
6	6143
7	21263
8	89303
9	202703
10	472973
11	493763
12	1013513
13	3986483
14	3306713
15	2364863
16	21283763
17	19932413
18	29391863
19	74887313
20	98679263
21	87499913
22	134797163
23	201013313
24	267843713
25	560472413
26	775337063
27	361823963
28	673985813

[2, 11, 95, 3623, 2363, 6143, 21263, 89303, 202703, 472973, 493763, 1013513, 3986483, 3306713, 2364863, 21283763, 19932413, 29391863, 74887313, 98679263, 87499913, 134797163, 201013313, 267843713, 560472413, 775337063, 361823963, 673985813]

cp's OEIS Frontend

A186273 a(n) is the least number k having exactly n representations as m + sigma(m), where sigma(m) is the sum of the divisors of m.

Table of values

List of values