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.

A045983 Numbers k such that n or more consecutive integers starting at k have the same number of distinct prime divisors.

Table of values

n a(n)
1 1
2 2
3 2
4 2
5 54
6 91
7 141
8 141
9 44360
10 48919
11 218972
12 526095
13 526095
14 526095
15 17233173
16 127890362
17 29138958036
18 118968284928
19 118968284928
20 585927201062
21 585927201062
22 585927201062
23 585927201062
24 313978488186061
25 453918847597184
26 453918847597184
27 455626105596320

List of values

[1, 2, 2, 2, 54, 91, 141, 141, 44360, 48919, 218972, 526095, 526095, 526095, 17233173, 127890362, 29138958036, 118968284928, 118968284928, 585927201062, 585927201062, 585927201062, 585927201062, 313978488186061, 453918847597184, 453918847597184, 455626105596320]

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

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