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.

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A107482 Number of prime factors of the smallest n-perfect number.

Original entry on oeis.org

1, 2, 5, 10, 17, 31, 71, 137
Offset: 1

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Author

Jose Brox (tautocrona(AT)terra.es), May 27 2005

Keywords

Comments

Multiperfect numbers

Examples

			a(4)=10 because the smallest 4-perfect number factorization is 2^5*3^3*5*7 which has 10 prime factors.

Links

Crossrefs

Cf. A107481

Formula

a(n) = A001222(A007539(n))
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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