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.

A203307 a(n) = v(n+1)/(2*v(n)), where v = A203305.

Table of values

n a(n)
1 1
2 12
3 672
4 161280
5 159989760
6 645078712320
7 10486399547473920
8 684552162459097497600
9 179100751368498596492083200
10 187617350297573441752474740326400
11 786539962489104046627462744981792358400

List of values

[1, 12, 672, 161280, 159989760, 645078712320, 10486399547473920, 684552162459097497600, 179100751368498596492083200, 187617350297573441752474740326400, 786539962489104046627462744981792358400]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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