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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.

A066206 a(n) = Product_{k=1..n} prime(2k), where prime(k) is the k-th prime.

Table of values

n a(n)
1 3
2 21
3 273
4 5187
5 150423
6 5565651
7 239322993
8 12684118629
9 773731236369
10 54934917782199
11 4339858504793721
12 386247406926641169
13 39010988099590758069
14 4174175726656211113383
15 471681857112151855812279
16 61790323281691893111408549
17 8588854936155173142485788311

List of values

[3, 21, 273, 5187, 150423, 5565651, 239322993, 12684118629, 773731236369, 54934917782199, 4339858504793721, 386247406926641169, 39010988099590758069, 4174175726656211113383, 471681857112151855812279, 61790323281691893111408549, 8588854936155173142485788311]

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

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