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.

A129881 Sequence i_{s_n} arising in enumeration of arrays of directed blocks (see Quaintance reference for precise definition), where i_n = A129876, s_n = A129873.

Table of values

n a(n)
1 2
2 2
3 6
4 6
5 22
6 24
7 90
8 100

List of values

[2, 2, 6, 6, 22, 24, 90, 100]