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.

A231368 Possible values for sum of non-divisors of n (A024816).

Original entry on oeis.org

0, 2, 3, 9, 20, 21, 32, 37, 50, 54, 77, 81, 96, 105, 132, 135, 168, 170, 199, 217, 240, 252, 294, 309, 338, 350, 393, 405, 464, 465, 513, 541, 575, 582, 665, 681, 724, 730, 807, 819, 902, 906, 957, 1009, 1052, 1080, 1168, 1182, 1254, 1280, 1365, 1377, 1468
Offset: 1

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Author

Jaroslav Krizek, Nov 09 2013

Keywords

Comments

a(n) = possible values of A024816(m) in increasing order, where A024816(m) = sum of non-divisors of m that are between 1 and m.
Numbers n such that A231367(n) = 1 and A231366(n) >= 1.
Complement of A231369.

Crossrefs

Cf. A002191 (possible values for sum of divisors of n), A231365, A231366, A231367, A231369, A024816.