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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.

A004135 Additive bases: a(n) is the least integer k such that in the cyclic group Z_k there is a subset of n elements all pairs (of distinct elements) of which add up to a different sum (in Z_k).

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 11
6 19
7 28
8 40
9 56
10 72
11 96
12 114
13 147
14 178
15 183
16 252
17 255

List of values

[1, 2, 3, 6, 11, 19, 28, 40, 56, 72, 96, 114, 147, 178, 183, 252, 255]

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

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