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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.

A034240 Number of quaternary codes of length 9 with n words.

Table of values

n a(n)
0 1
1 1
2 9
3 179
4 40719
5 106287822
6 1295484202258
7 28080454247154740
8 720645869857713416245
9 18726377123294059174412659
10 464647323565599860735629425620
11 10778588361453642047099243794276139

List of values

[1, 1, 9, 179, 40719, 106287822, 1295484202258, 28080454247154740, 720645869857713416245, 18726377123294059174412659, 464647323565599860735629425620, 10778588361453642047099243794276139]

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

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