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.

A001630 Tetranacci numbers: a(n) = a(n-1) + a(n-2) + a(n-3) + a(n-4), with a(0)=a(1)=0, a(2)=1, a(3)=2.

Table of values

n a(n)
0 0
1 0
2 1
3 2
4 3
5 6
6 12
7 23
8 44
9 85
10 164
11 316
12 609
13 1174
14 2263
15 4362
16 8408
17 16207
18 31240
19 60217
20 116072
21 223736
22 431265
23 831290
24 1602363
25 3088654
26 5953572
27 11475879
28 22120468
29 42638573
30 82188492
31 158423412
32 305370945
33 588621422
34 1134604271
35 2187020050

List of values

[0, 0, 1, 2, 3, 6, 12, 23, 44, 85, 164, 316, 609, 1174, 2263, 4362, 8408, 16207, 31240, 60217, 116072, 223736, 431265, 831290, 1602363, 3088654, 5953572, 11475879, 22120468, 42638573, 82188492, 158423412, 305370945, 588621422, 1134604271, 2187020050]