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.

A140710 Number of maximal initial consecutive columns ending at the same level, summed over all deco polyominoes of height n.

Table of values

n a(n)
1 1
2 3
3 10
4 38
5 172
6 944
7 6208
8 47696
9 417952
10 4101824
11 44491648
12 528068096
13 6804155392
14 94559581184
15 1409615239168
16 22434345998336
17 379633330204672
18 6805952938041344
19 128854632579186688
20 2568966172926181376

List of values

[1, 3, 10, 38, 172, 944, 6208, 47696, 417952, 4101824, 44491648, 528068096, 6804155392, 94559581184, 1409615239168, 22434345998336, 379633330204672, 6805952938041344, 128854632579186688, 2568966172926181376]

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

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