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.

A181957 Smallest positive integer which cannot be calculated by an expression containing n binary operators (either add or multiply) whose operands are integers between 1 and 9; parenthesis allowed.

Table of values

n a(n)
0 10
1 19
2 92
3 239
4 829
5 2831
6 10061
7 38231
8 189311
9 621791
10 2853533
11 11423579

List of values

[10, 19, 92, 239, 829, 2831, 10061, 38231, 189311, 621791, 2853533, 11423579]

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

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