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.

A159827 a(n) = number of n-digit terms in A023086.

Original entry on oeis.org

1, 0, 0, 0, 0, 12, 288, 4032, 47904, 398736, 2668464
Offset: 1

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Author

Zak Seidov, Apr 22 2009

Keywords

Comments

1. There are no terms in A023086 with number of digits in the range 2..5: a(2..5)=0, then a(6)=12, a(7)=288 etc.
2. Minimal and maximal n-digit terms (n>=6) in A023086 are (10^(n-1)+25874) and (5*10^(n-1)-71429).

Crossrefs

A023086 n and 2*n are anagrams. A159816 Seven-digit terms in A023086.