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.

A227325 a(n) = A000272(n+1) * A000984(n).

Table of values

n a(n)
0 1
1 2
2 18
3 320
4 8750
5 326592
6 15529668
7 899678208
8 61556811030
9 4862000000000
10 435644983598396
11 43678490079264768
12 4846281282497517772
13 589650705050503577600
14 78074729079345703125000
15 11177395284330167371038720
16 1720546364146510165684599270

List of values

[1, 2, 18, 320, 8750, 326592, 15529668, 899678208, 61556811030, 4862000000000, 435644983598396, 43678490079264768, 4846281282497517772, 589650705050503577600, 78074729079345703125000, 11177395284330167371038720, 1720546364146510165684599270]

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

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