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.

A097250 Smallest m such that A097249(m) = n; from n=1 onwards, twice the primorials, 2*A002110(n).

Table of values

n a(n)
0 1
1 4
2 12
3 60
4 420
5 4620
6 60060
7 1021020
8 19399380
9 446185740
10 12939386460
11 401120980260
12 14841476269620
13 608500527054420
14 26165522663340060
15 1229779565176982820
16 65178316954380089460
17 3845520700308425278140
18 234576762718813941966540
19 15716643102160534111758180

List of values

[1, 4, 12, 60, 420, 4620, 60060, 1021020, 19399380, 446185740, 12939386460, 401120980260, 14841476269620, 608500527054420, 26165522663340060, 1229779565176982820, 65178316954380089460, 3845520700308425278140, 234576762718813941966540, 15716643102160534111758180]

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

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