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.

A284202 Numbers m such that phi(sum of divisors of m) = lambda(sum of distinct primes dividing m).

Table of values

n a(n)
1 3
2 6
3 10
4 22
5 34
6 142
7 214
8 382
9 862
10 2302
11 5182
12 279934
13 944782
14 1572862
15 1990654
16 114791254
17 127401982
18 339738622
19 8153726974
20 21743271934
21 4696546738174
22 112717121716222
23 158329674399742
24 169075682574334
25 300578991243262

List of values

[3, 6, 10, 22, 34, 142, 214, 382, 862, 2302, 5182, 279934, 944782, 1572862, 1990654, 114791254, 127401982, 339738622, 8153726974, 21743271934, 4696546738174, 112717121716222, 158329674399742, 169075682574334, 300578991243262]

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

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