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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.

A306760 a(n) = Product_{i=1..n, j=1..n} (i*j + 1).

Table of values

n a(n)
0 1
1 2
2 90
3 705600
4 4105057320000
5 52487876090562232320000
6 3487017405172854771910634342400000000
7 2448893405298238642974553493547144534294528000000000000
8 33257039167768610289435138215602132823918399655132218973388800000000000000000

List of values

[1, 2, 90, 705600, 4105057320000, 52487876090562232320000, 3487017405172854771910634342400000000, 2448893405298238642974553493547144534294528000000000000, 33257039167768610289435138215602132823918399655132218973388800000000000000000]

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

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