Search: id:A078669
Results 1-1 of 1 results found.

%I A078669
%S A078669 1,0,0,0,0,1,0,1,4,0,0,1,2,2,2,1,2,4,3,1,5,3,2,11,5,1,2,7,8,15,8,5,11,
%T A078669 11,10,8,7,10,16,17,15,19,12,17,18,23,27,19,24,30,18,25,40,30,23,27,29,
%U A078669 31,33,48,48,50,30,49,51,51,58,55,67,52,59,50,52,63,78,67,92,107,94,74
%N A078669 Number of times n appears among the decimal digits of (n!)^n.
%e A078669 a(6)=1 because 6 appears one time in 6!^6 = 139314069504000000.
%o A078669 (PARI) \ Type ff to run. {mdcp(d,n)=local(a, c=0,L); L=length(Str(d)); 
               if(L>1,a=2,a=1); while(n>0,if(n%(10^a)==d,n=floor(n/10); c++,n=floor(n/
               10); )); c } {ff()=local(a); print("Enter an ending value <= 99: 
               "); a=input(); if(a>99,error("Input not valid, try again."), for(n=1,
               a, print1(mdcp(n,(n!)^n)",")); ) }
%Y A078669 Cf. A036740.
%Y A078669 Sequence in context: A096623 A152889 A151905 this_sequence A046783 A134832 
               A123163
%Y A078669 Adjacent sequences: A078666 A078667 A078668 this_sequence A078670 A078671 
               A078672
%K A078669 base,nonn
%O A078669 1,9
%A A078669 Jason Earls (zevi_35711(AT)yahoo.com), Dec 16 2002

Search completed in 0.001 seconds