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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.

A120248 a(n) = Product_{k=0..n} C(n+k+2, n+2).

Table of values

n a(n)
0 1
1 4
2 75
3 7056
4 3457440
5 9032601600
6 127843321480875
7 9917120529316000000
8 4253520573615071657074176
9 10156681309872614660803421798400
10 135766978921156343322148046967386880000
11 10205737152660536205131284348877857357824000000

List of values

[1, 4, 75, 7056, 3457440, 9032601600, 127843321480875, 9917120529316000000, 4253520573615071657074176, 10156681309872614660803421798400, 135766978921156343322148046967386880000, 10205737152660536205131284348877857357824000000]

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

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