A380849 - cp's OEIS frontend

A380849 Lesser of a pair of amicable numbers k < m such that s(k) = m and s(m) = k, where s(k) = A380845(k) - k is the sum of aliquot divisors of k that have the same binary weight as k.

n	a(n)
1	27940
2	112420
3	150368
4	156840
5	225060
6	450340
7	569376
8	925920
9	1102200
10	1211232
11	1802020
12	2196592
13	2423648
14	3377640
15	3604260
16	4612644
17	4874400
18	4949160
19	5092440
20	6375336
21	6632808
22	6786340
23	7155940
24	7208740
25	7626900
26	7685128
27	9443060
28	9569780
29	9643400
30	9678020

[27940, 112420, 150368, 156840, 225060, 450340, 569376, 925920, 1102200, 1211232, 1802020, 2196592, 2423648, 3377640, 3604260, 4612644, 4874400, 4949160, 5092440, 6375336, 6632808, 6786340, 7155940, 7208740, 7626900, 7685128, 9443060, 9569780, 9643400, 9678020]

cp's OEIS Frontend

A380849 Lesser of a pair of amicable numbers k < m such that s(k) = m and s(m) = k, where s(k) = A380845(k) - k is the sum of aliquot divisors of k that have the same binary weight as k.

Table of values

List of values