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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.

A377018 a(n) is the number of paths of a knight on square a1 to reach a position outside an 8 X 8 chessboard after n steps.

Table of values

n a(n)
1 6
2 4
3 32
4 108
5 880
6 4420
7 29560
8 167068
9 1041440
10 6128772
11 37298680
12 222571260
13 1343492128
14 8055277508
15 48487848472
16 291196932444
17 1751154444320
18 10522542700868
19 63258161555448
20 380185630909692
21 2285299322957920
22 13735692739737604
23 82562224208247576
24 496247752160871132

List of values

[6, 4, 32, 108, 880, 4420, 29560, 167068, 1041440, 6128772, 37298680, 222571260, 1343492128, 8055277508, 48487848472, 291196932444, 1751154444320, 10522542700868, 63258161555448, 380185630909692, 2285299322957920, 13735692739737604, 82562224208247576, 496247752160871132]

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

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