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.

A341928 a(n) = F(n+4) * F(n+2) + 7 * (-1)^n where F(n) = A000045(n) are the Fibonacci numbers.

Table of values

n a(n)
1 3
2 31
3 58
4 175
5 435
6 1162
7 3019
8 7927
9 20730
10 54295
11 142123
12 372106
13 974163
14 2550415
15 6677050
16 17480767
17 45765219
18 119814922
19 313679515
20 821223655
21 2149991418
22 5628750631
23 14736260443
24 38580030730
25 101003831715
26 264431464447
27 692290561594
28 1812440220367

List of values

[3, 31, 58, 175, 435, 1162, 3019, 7927, 20730, 54295, 142123, 372106, 974163, 2550415, 6677050, 17480767, 45765219, 119814922, 313679515, 821223655, 2149991418, 5628750631, 14736260443, 38580030730, 101003831715, 264431464447, 692290561594, 1812440220367]