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.

A135450 a(n) = 3*a(n-1) + 4*a(n-2) - a(n-3) + 3*a(n-4) + 4*a(n-5).

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 4
5 16
6 63
7 252
8 1008
9 4033
10 16132
11 64528
12 258111
13 1032444
14 4129776
15 16519105
16 66076420
17 264305680
18 1057222719
19 4228890876
20 16915563504
21 67662254017
22 270649016068
23 1082596064272
24 4330384257087
25 17321537028348

List of values

[0, 0, 0, 1, 4, 16, 63, 252, 1008, 4033, 16132, 64528, 258111, 1032444, 4129776, 16519105, 66076420, 264305680, 1057222719, 4228890876, 16915563504, 67662254017, 270649016068, 1082596064272, 4330384257087, 17321537028348]

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

Content is available under The OEIS End-User License Agreement.