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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.

A378734 Number of multisets E(n) generable by the following procedure: E(0) = { 0, 0, ... }; to get an E(n+1) from an E(n), first increment all elements then optionally choose an x and a y and replace them with 0 and x+y.

Table of values

n a(n)
0 1
1 2
2 6
3 23
4 108
5 579
6 3447
7 22190
8 152407
9 1103566
10 8355894
11 65701413

List of values

[1, 2, 6, 23, 108, 579, 3447, 22190, 152407, 1103566, 8355894, 65701413]

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

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