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.

A264281 Number of (n+1) X (4+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,0 0,1 1,0 or -1,-2.

Table of values

n a(n)
1 16
2 102
3 675
4 4484
5 29742
6 197283
7 1308629
8 8680430
9 57579243
10 381936079
11 2533467942
12 16805062848
13 111471762753
14 739417281750
15 4904721187204
16 32534119120513
17 215806131795839
18 1431490625216236
19 9495399380127733

List of values

[16, 102, 675, 4484, 29742, 197283, 1308629, 8680430, 57579243, 381936079, 2533467942, 16805062848, 111471762753, 739417281750, 4904721187204, 32534119120513, 215806131795839, 1431490625216236, 9495399380127733]

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

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