cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A380850 Greater 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

n a(n)
1 36068
2 145124
3 153670
4 294075
5 290532
6 581348
7 593100
8 1099530
9 2066625
10 1237830
11 2326244
12 2338832
13 2476870
14 6393390
15 4652772
16 4883976
17 6854625
18 9279675
19 9548325
20 6514464
21 11725857
22 8760548
23 9237668
24 9305828
25 9457356
26 8717912
27 12190132
28 12353716
29 10607740
30 12493444

List of values

[36068, 145124, 153670, 294075, 290532, 581348, 593100, 1099530, 2066625, 1237830, 2326244, 2338832, 2476870, 6393390, 4652772, 4883976, 6854625, 9279675, 9548325, 6514464, 11725857, 8760548, 9237668, 9305828, 9457356, 8717912, 12190132, 12353716, 10607740, 12493444]