Search: id:A112780 Results 1-1 of 1 results found. %I A112780 %S A112780 4,5,6,5,9,9,9,9,10,10,10,9,11,11,8,10,11,10,11,10,9,10,13,10,12,10,13, %T A112780 13,13,12,13,11,14,13,13,12,13,15,13,14,13,14,13,13,15,12,14,13,17,14, %U A112780 16,16,15,17,15,19,15,18,15,16,17,16,17,16,15,19,15,19,14,18,14,19,17 %N A112780 Number of highly composite numbers (definition 1, A002182) with n decimal digits. %H A112780 Eric Weisstein's World of Mathematics, Highly Composite Number %H A112780 A. Flammenkamp, First 1200 highly composite numbers %e A112780 a(1) = 4 since there are four highly composite numbers with one decimal digit {1,2,4,6}. %Y A112780 Cf. A002182, A002183, A108602, A112778, A112779, A112781. %Y A112780 Sequence in context: A113184 A136004 A134299 this_sequence A021223 A058979 A046343 %Y A112780 Adjacent sequences: A112777 A112778 A112779 this_sequence A112781 A112782 A112783 %K A112780 base,nonn %O A112780 1,1 %A A112780 Ray Chandler (rayjchandler(AT)sbcglobal.net), Nov 11 2005 Search completed in 0.001 seconds