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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.

A332973 Solutions k of the equation usigma(k) = usigma(k-1) + usigma(k-2) where usigma(k) is the sum of unitary divisors of k (A034448).

Table of values

n a(n)
1 3
2 42
3 188970
4 998670
5 51670374
6 91397154
7 236280786
8 259172826
9 792554574
10 1106710914
11 1468869930
12 1957827498
13 2467823442
14 2496238590
15 3324585210
16 4055970282
17 4183629690
18 4384566870
19 13479861630
20 20681058270
21 29343074178
22 43449285210
23 68705958690
24 71418085926

List of values

[3, 42, 188970, 998670, 51670374, 91397154, 236280786, 259172826, 792554574, 1106710914, 1468869930, 1957827498, 2467823442, 2496238590, 3324585210, 4055970282, 4183629690, 4384566870, 13479861630, 20681058270, 29343074178, 43449285210, 68705958690, 71418085926]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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