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.

A250350 Number of length n arrays x(i), i=1..n with x(i) in i..i+7 and no value appearing more than 2 times.

Table of values

n a(n)
1 8
2 64
3 506
4 3935
5 30072
6 226247
7 1681860
8 12411486
9 91384716
10 671639928
11 4929577344
12 36146749703
13 264885341958
14 1940349607935
15 14210290469006
16 104055436365169
17 761877093233402
18 5577987879867728
19 40836880075623272

List of values

[8, 64, 506, 3935, 30072, 226247, 1681860, 12411486, 91384716, 671639928, 4929577344, 36146749703, 264885341958, 1940349607935, 14210290469006, 104055436365169, 761877093233402, 5577987879867728, 40836880075623272]

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

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