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.

A090032 Number of configurations of the 6 X 6 variant of Sam Loyd's sliding block 15-puzzle ("35-puzzle") that require a minimum of n moves to be reached, starting with the empty square in one of the corners.

Table of values

n a(n)
0 1
1 2
2 4
3 10
4 26
5 66
6 171
7 440
8 1112
9 2786
10 6820
11 16720
12 41106
13 100856
14 245793
15 597030
16 1441292
17 3469486
18 8304526
19 19832076
20 47110238
21 111669014

List of values

[1, 2, 4, 10, 26, 66, 171, 440, 1112, 2786, 6820, 16720, 41106, 100856, 245793, 597030, 1441292, 3469486, 8304526, 19832076, 47110238, 111669014]

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

Content is available under The OEIS End-User License Agreement.