[seqfan] Re: Anagram sequence
Andrew Weimholt
andrew.weimholt at gmail.com
Thu Oct 20 11:56:18 CEST 2011
On Wed, Oct 19, 2011 at 10:17 PM, David Wilson <davidwwilson at comcast.net> wrote:
> The sequence would be "Smallest positive integer with exactly n anagrams",
> and starts
>
> 1 12 112 102 11112 123 1111112
>
For n>1, there's also a largest integer with exactly n anagrams...
990, 9990, 99990, ... which is A124167 (excluding the first two terms),
and therefore, we can have a sequence which counts the number of
positive integers with exactly n anagrams:
beginning with a(2)...
90, 270, 504, 450, 1530, 630, Not in OEIS
Andrew
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