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.

A188493 a(n) = A188491(n-1) + A188495(n-1) + A188497(n-1).

Table of values

n a(n)
0 0
1 0
2 2
3 6
4 14
5 31
6 104
7 344
8 1084
9 3236
10 9784
11 29964
12 92241
13 282780
14 865064
15 2646292
16 8102454
17 24813838
18 75982346
19 232630527
20 712230076
21 2180675264
22 6676819512
23 20443032008
24 62591840320
25 191641545768
26 586762729889
27 1796535598952
28 5500587026592

List of values

[0, 0, 2, 6, 14, 31, 104, 344, 1084, 3236, 9784, 29964, 92241, 282780, 865064, 2646292, 8102454, 24813838, 75982346, 232630527, 712230076, 2180675264, 6676819512, 20443032008, 62591840320, 191641545768, 586762729889, 1796535598952, 5500587026592]

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

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