Re Base Rep Puzzle

Michele Dondi blazar at pcteor1.mi.infn.it
Tue Jan 3 15:22:03 CET 2006


On Fri, 30 Dec 2005, N. J. A. Sloane wrote:


> %e A112670 The sequence begins 2^0, 2^1, 3^2, 3^4, 4^5, 4^7, 5^9, 6^11, 7^13, 8^16, 9^18, 9^21, 10^24, 11^27, 12^29, 13^32, 14^35, 14^39, 15^42, 16^45, .... The bases and exponents are in A112671 and A112672 respectively.
[...]
> %I A112671
> %S A112671 0,1,2,4,5,7,9,11,13,16,18,21,24,27,29,32,35,39,42,45,48,52,55,58,
> %T A112671 62,66,70,73,77,80,84,88,91,95,100,104,108,112,116,120,124,128,132,
> %U A112671 136,141,145,149,153,158,162,166,170,175,179,183,188,193,198,202
> %N A112671 Bases arising in A112670.
[...]
> %I A112672
> %S A112672 2,2,3,3,4,4,5,6,7,8,9,9,10,11,12,13,14,14,15,16,17,18,19,20,21,21,
> %T A112672 22,23,24,25,26,27,28,29,29,30,31,32,33,34,35,36,37,38,38,39,40,41,
> %U A112672 42,43,44,45,46,47,48,49,49,50,51,52,53,54,55,56,57,58,59,60,61,61
> %N A112672 Exponents arising in A112670.

Bases and exponents are switched...


Michele
-- 
When that much brain power gets together only two things
can happen: much hacking and much drinking.
- Matt Fowles in Perl 6 summary (sligthly edited)





More information about the SeqFan mailing list