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.

A067091 Floor(X/Y) where X = concatenation of the (n+1)-st even number through the (2n)-th even number and Y = concatenation of first n even numbers.

Table of values

n a(n)
1 2
2 2
3 329
4 4101
5 4919
6 5737
7 6556
8 7374
9 8193
10 9012
11 9830
12 10649
13 11467
14 12286
15 13104
16 13923
17 14741
18 15560
19 16378
20 17197
21 18015
22 18834
23 19652
24 20471
25 212899
26 22108437
27 2292696195
28 237454867452
29 24564011532104
30 2538253631893694

List of values

[2, 2, 329, 4101, 4919, 5737, 6556, 7374, 8193, 9012, 9830, 10649, 11467, 12286, 13104, 13923, 14741, 15560, 16378, 17197, 18015, 18834, 19652, 20471, 212899, 22108437, 2292696195, 237454867452, 24564011532104, 2538253631893694]