Sequences A046641,A072168,A072169 and A023172
Don Reble
djr at nk.ca
Fri Sep 5 02:43:00 CEST 2003
> Let me ask also if A023172 is infinite .
It has each power of five. See
http://www.graysage.com/djr/A023172.ps
--
Don Reble djr at nk.ca
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