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.

A273474 Number of tilings of a 3 X 5 X n box using 5n bricks of shape 3 X 1 X 1.

Table of values

n a(n)
0 1
1 4
2 16
3 320
4 4430
5 40872
6 463106
7 5675188
8 63422950
9 710698093
10 8200538232
11 93691594514
12 1063586983374
13 12137123569004
14 138570852491100
15 1579149122960061
16 18003479738145524
17 205351456145093852
18 2341614891431192875
19 26699543185422994944
20 304468247045695911612

List of values

[1, 4, 16, 320, 4430, 40872, 463106, 5675188, 63422950, 710698093, 8200538232, 93691594514, 1063586983374, 12137123569004, 138570852491100, 1579149122960061, 18003479738145524, 205351456145093852, 2341614891431192875, 26699543185422994944, 304468247045695911612]