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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.

A217419 Numbers factoring 3^r*11^s whose decimal representations are such that each of the digits 0-9 appears a prime number of times.

Table of values

n a(n)
1 5586701408957811048315412506328906443
2 4756351651546448722293215379849833244291829764770574840668685771747

List of values

[5586701408957811048315412506328906443, 4756351651546448722293215379849833244291829764770574840668685771747]

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

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