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.

A173784 Number of numbers k such that 1/k is in the Cantor set and 3^n <= k < 3^(n+1).

Original entry on oeis.org

1, 2, 4, 6, 9, 12, 18, 23, 28, 34, 42, 49, 61, 68, 80, 91, 103, 111, 128, 138, 156
Offset: 0

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Author

T. D. Noe, Feb 24 2010

Keywords

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This sequence gives the length of the rows in the irregular triangle A170952. See A121153 for the values of k.