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.

A034187 Not necessarily symmetric n X 4 crossword puzzle grids.

Table of values

n a(n)
1 1
2 39
3 649
4 7943
5 86995
6 910667
7 9339937
8 94844591
9 958363411
10 9659847433
11 97245624749
12 978360244839
13 9839915415611
14 98949930968385
15 994959069405031
16 10004090931544495
17 100586881489055547
18 1011348141567934109

List of values

[1, 39, 649, 7943, 86995, 910667, 9339937, 94844591, 958363411, 9659847433, 97245624749, 978360244839, 9839915415611, 98949930968385, 994959069405031, 10004090931544495, 100586881489055547, 1011348141567934109]