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.

A092369 Spiro-tetranacci numbers: a(n) = sum of four previous terms that are nearest when terms arranged in a spiral.

Table of values

n a(n)
0 0
1 1
2 1
3 1
4 3
5 5
6 9
7 15
8 25
9 41
10 68
11 111
12 181
13 294
14 299
15 597
16 900
17 1505
18 1522
19 3041
20 4577
21 7642
22 7691
23 7772
24 15529
25 23367
26 39005
27 39225
28 39585
29 79102
30 118979
31 198556
32 199330
33 200520
34 202316
35 404333
36 608146
37 1013976
38 1017903
39 1023971
40 1033111

List of values

[0, 1, 1, 1, 3, 5, 9, 15, 25, 41, 68, 111, 181, 294, 299, 597, 900, 1505, 1522, 3041, 4577, 7642, 7691, 7772, 15529, 23367, 39005, 39225, 39585, 79102, 118979, 198556, 199330, 200520, 202316, 404333, 608146, 1013976, 1017903, 1023971, 1033111]