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.

A222621 a(n) = (2n-1)^(2n).

Table of values

n a(n)
1 1
2 81
3 15625
4 5764801
5 3486784401
6 3138428376721
7 3937376385699289
8 6568408355712890625
9 14063084452067724991009
10 37589973457545958193355601
11 122694327386105632949003612841
12 480250763996501976790165756943041
13 2220446049250313080847263336181640625

List of values

[1, 81, 15625, 5764801, 3486784401, 3138428376721, 3937376385699289, 6568408355712890625, 14063084452067724991009, 37589973457545958193355601, 122694327386105632949003612841, 480250763996501976790165756943041, 2220446049250313080847263336181640625]