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.

A244044 Number of length n words on alphabet {0,1,2,3} which contain all 16 of the 2-letter strings of the alphabet.

Table of values

n a(n)
17 331776
18 5806080
19 69672960
20 675578880
21 5675235840
22 42832800000
23 297267224832
24 1927826369280
25 11821052680704
26 69152452363584
27 388663047288576
28 2110540207741632
29 11123834480487936
30 57120835559901696
31 286669843226634240
32 1409843999618778240
33 6809949521252980992

List of values

[331776, 5806080, 69672960, 675578880, 5675235840, 42832800000, 297267224832, 1927826369280, 11821052680704, 69152452363584, 388663047288576, 2110540207741632, 11123834480487936, 57120835559901696, 286669843226634240, 1409843999618778240, 6809949521252980992]