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.

A175661 Eight bishops and one elephant on a 3 X 3 chessboard: a(n) = 2^(n+2)-3*F(n+1), with F(n) = A000045(n).

Table of values

n a(n)
0 1
1 5
2 10
3 23
4 49
5 104
6 217
7 449
8 922
9 1883
10 3829
11 7760
12 15685
13 31637
14 63706
15 128111
16 257353
17 516536
18 1036033
19 2076857
20 4161466
21 8335475
22 16691245
23 33415328
24 66883789
25 133853549
26 267846202
27 535917479
28 1072199137
29 2144987528

List of values

[1, 5, 10, 23, 49, 104, 217, 449, 922, 1883, 3829, 7760, 15685, 31637, 63706, 128111, 257353, 516536, 1036033, 2076857, 4161466, 8335475, 16691245, 33415328, 66883789, 133853549, 267846202, 535917479, 1072199137, 2144987528]

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

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