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.

A076893 Number of inequivalent linear ternary codes of length n with no zero columns. Also the number of nonisomorphic loopless ternary matroids on an n-set.

Table of values

n a(n)
1 1
2 2
3 4
4 9
5 19
6 49
7 131
8 424
9 1652
10 8719
11 69825
12 989873
13 26581301
14 1318262256
15 114250250466
16 16765968053831
17 4100014001380089
18 1664142340751871950
19 1116818491052884840894
20 1241182654624957299191014
21 2281173954695869520832771726
22 6954114729274902830973149757397
23 35138195971007372542783032580880899

List of values

[1, 2, 4, 9, 19, 49, 131, 424, 1652, 8719, 69825, 989873, 26581301, 1318262256, 114250250466, 16765968053831, 4100014001380089, 1664142340751871950, 1116818491052884840894, 1241182654624957299191014, 2281173954695869520832771726, 6954114729274902830973149757397, 35138195971007372542783032580880899]