Search: id:A132077 Results 1-1 of 1 results found. %I A132077 %S A132077 1,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101,113, %T A132077 131,151,169,181,191,199,211,223,227,229,233,277,289,311,313,331,337, %U A132077 353,361,373,383,433,443,449,499,529,557,577,599,661,677,727,733,757 %N A132077 Numbers having in decimal representation exactly the same number of distinct digits as number of divisors. %C A132077 A043537(a(n)) = A000005(a(n)). %H A132077 R. Zumkeller, Table of n, a(n) for n = 1..10000 %e A132077 a(2) = 13: #{1,3} = #{1,13}; %e A132077 a(26) = 169: #{1,6,9} = #{1,13,169}; %e A132077 a(74) = 1027: #{0,1,2,7} = #{1,13,79,1027}; %e A132077 a(241) = 2197: #{1,2,7,9} = #{1,13,169,2197}; %e A132077 a(3537) = 28561: #{1,2,5,6,8} = #{1,13,169,2197,28561}. %Y A132077 Sequence in context: A075761 A046064 A008365 this_sequence A034845 A045921 A040136 %Y A132077 Adjacent sequences: A132074 A132075 A132076 this_sequence A132078 A132079 A132080 %K A132077 nonn,base %O A132077 1,2 %A A132077 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 09 2007 Search completed in 0.001 seconds