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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.

A300998 Number of close American football games: number of ways for the game to end after n points have been scored and never be separated by more than one score after each play.

Table of values

n a(n)
0 1
1 0
2 2
3 2
4 4
5 8
6 14
7 28
8 52
9 78
10 156
11 272
12 520
13 832
14 1616
15 2734
16 5224
17 8756
18 16798
19 28192
20 54118
21 90644
22 173876
23 292816
24 561574
25 938748
26 1802188
27 3031400
28 5812998
29 9734470
30 18684588
31 31367492
32 60172174
33 100893834
34 193598664
35 324824728
36 623209036
37 1045201398
38 2005438304
39 3364638978

List of values

[1, 0, 2, 2, 4, 8, 14, 28, 52, 78, 156, 272, 520, 832, 1616, 2734, 5224, 8756, 16798, 28192, 54118, 90644, 173876, 292816, 561574, 938748, 1802188, 3031400, 5812998, 9734470, 18684588, 31367492, 60172174, 100893834, 193598664, 324824728, 623209036, 1045201398, 2005438304, 3364638978]

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

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