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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.

A051539 a(n) is the least common multiple of {1, 5, 9, 13, 17, ..., 4n+1} (A016813).

Table of values

n a(n)
0 1
1 5
2 45
3 585
4 9945
5 69615
6 348075
7 10094175
8 111035925
9 4108329225
10 168441498225
11 168441498225
12 1179090487575
13 62491795841475
14 1187344120988025
15 72427991380269525
16 72427991380269525
17 1665843801746199075
18 121606597527472532475
19 121606597527472532475

List of values

[1, 5, 45, 585, 9945, 69615, 348075, 10094175, 111035925, 4108329225, 168441498225, 168441498225, 1179090487575, 62491795841475, 1187344120988025, 72427991380269525, 72427991380269525, 1665843801746199075, 121606597527472532475, 121606597527472532475]

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

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