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.

A081947 Smallest prime which is one more than the product of n distinct numbers.

Table of values

n a(n)
1 2
2 3
3 7
4 31
5 181
6 1009
7 6481
8 45361
9 453601
10 3991681
11 39916801
12 566092801
13 9500198401
14 114960384001
15 1976041267201
16 24845812992001
17 502146957312001
18 8109673360588801
19 147254595231744001
20 2688996956405760001

List of values

[2, 3, 7, 31, 181, 1009, 6481, 45361, 453601, 3991681, 39916801, 566092801, 9500198401, 114960384001, 1976041267201, 24845812992001, 502146957312001, 8109673360588801, 147254595231744001, 2688996956405760001]

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

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