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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.

A384162 Number of length n words over an n-ary alphabet such that a single letter in every run of letters is marked.

Table of values

n a(n)
1 1
2 6
3 45
4 460
5 5945
6 92736
7 1694329
8 35487432
9 838341009
10 22054058290
11 639434542021
12 20260243575936
13 696512594466793
14 25822887652517970
15 1027054229302256625
16 43622499402922710256
17 1970666970910292873249
18 94353519890358073478880
19 4772755056209685781141981

List of values

[1, 6, 45, 460, 5945, 92736, 1694329, 35487432, 838341009, 22054058290, 639434542021, 20260243575936, 696512594466793, 25822887652517970, 1027054229302256625, 43622499402922710256, 1970666970910292873249, 94353519890358073478880, 4772755056209685781141981]

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

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