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.

A360645 Number of 4-dimensional tilings of a 2 X 2 X 2 X n box with 2 X 2 X 1 X 1 plates.

Table of values

n a(n)
0 1
1 3
2 30
3 177
4 1281
5 8520
6 58629
7 397887
8 2715510
9 18490533
10 126023349
11 858595560
12 5850498441
13 39863005323
14 271617783150
15 1850725023657
16 12610357769721
17 85923544106760
18 585460036653789
19 3989166905015367
20 27181111280961990
21 185204779320272253

List of values

[1, 3, 30, 177, 1281, 8520, 58629, 397887, 2715510, 18490533, 126023349, 858595560, 5850498441, 39863005323, 271617783150, 1850725023657, 12610357769721, 85923544106760, 585460036653789, 3989166905015367, 27181111280961990, 185204779320272253]