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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.

A374464 Numbers k such that the odd parts of k and sigma(A003961(k)) are equal, where A003961 is fully multiplicative function with a(prime(i)) = prime(i+1), and sigma is the sum of divisors function.

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 40
6 120
7 351
8 702
9 1000
10 3000
11 14040
12 351000

List of values

[1, 2, 3, 6, 40, 120, 351, 702, 1000, 3000, 14040, 351000]

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

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