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.

A016821 a(n) = (4n+1)^9.

Table of values

n a(n)
0 1
1 1953125
2 387420489
3 10604499373
4 118587876497
5 794280046581
6 3814697265625
7 14507145975869
8 46411484401953
9 129961739795077
10 327381934393961
11 756680642578125
12 1628413597910449
13 3299763591802133
14 6351461955384057
15 11694146092834141
16 20711912837890625
17 35452087835576229

List of values

[1, 1953125, 387420489, 10604499373, 118587876497, 794280046581, 3814697265625, 14507145975869, 46411484401953, 129961739795077, 327381934393961, 756680642578125, 1628413597910449, 3299763591802133, 6351461955384057, 11694146092834141, 20711912837890625, 35452087835576229]