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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.

A348132 a(n) is the denominator of the relativistic sum of n velocities of 1/n, in units where the speed of light is 1.

Table of values

n a(n)
1 1
2 5
3 9
4 353
5 275
6 66637
7 18571
8 24405761
9 2215269
10 14712104501
11 411625181
12 13218256749601
13 109949704423
14 16565151205544957
15 39931933598775
16 27614800115689879553
17 18928981513351817
18 59095217374989483261925
19 11350851717672992089
20 157904201452248753415276001

List of values

[1, 5, 9, 353, 275, 66637, 18571, 24405761, 2215269, 14712104501, 411625181, 13218256749601, 109949704423, 16565151205544957, 39931933598775, 27614800115689879553, 18928981513351817, 59095217374989483261925, 11350851717672992089, 157904201452248753415276001]

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

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