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.

A238830 a(1)=a(2)=0; thereafter a(n) = a(n-2)+A238828(n-1)+A238827(n).

Table of values

n a(n)
1 0
2 0
3 0
4 1
5 2
6 6
7 15
8 36
9 91
10 218
11 544
12 1325
13 3281
14 8055
15 19880
16 48930
17 120610
18 297055
19 731922
20 1802994
21 4441915
22 10942602
23 26957739
24 66410994
25 163606230
26 403049273
27 992926975
28 2446110587
29 6026082552
30 14845470456
31 36572353012
32 90097307929

List of values

[0, 0, 0, 1, 2, 6, 15, 36, 91, 218, 544, 1325, 3281, 8055, 19880, 48930, 120610, 297055, 731922, 1802994, 4441915, 10942602, 26957739, 66410994, 163606230, 403049273, 992926975, 2446110587, 6026082552, 14845470456, 36572353012, 90097307929]

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

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