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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.

A363335 Irregular table read by rows: T(n,k) is the smallest m that has 2*n divisors and is at the beginning of a run of exactly k consecutive integers whose number of divisors increases by 2, or -1 if no such m exists.

Table of values

n a(n)
1 2
2 5
3 61
4 421
5 1524085621
6 10
7 27
8 187
9 2545622
10 12
11 153
12 35557
13 363121
14 223577456873
15 44753756873

List of values

[2, 5, 61, 421, 1524085621, 10, 27, 187, 2545622, 12, 153, 35557, 363121, 223577456873, 44753756873]

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

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