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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.

A129884 Sequence a_{s_n} arising in enumeration of arrays of directed blocks (see Quaintance reference for precise definition), where a_n = A129878, s_n = A129873.

Table of values

n a(n)
1 1
2 1
3 4
4 4
5 16
6 17
7 72
8 79

List of values

[1, 1, 4, 4, 16, 17, 72, 79]

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