|
%I #7 Jul 29 2022 17:00:15
%S 14,39,64,70,89,114,139,164,189,195,214,239,264,289,314,320,339,350,
%T 389,414,439,445,464,489,514,539,564,570,589,614,639,664,689,695,714,
%U 739,764,789,814,820,839,864,889,914,939,945,964
%N Numbers n such that string 2,4 occurs in the base 5 representation of n but not of n-1.
%t SequencePosition[Table[If[SequenceCount[IntegerDigits[n,5],{2,4}]>0,1,0],{n,1000}],{0,1}][[All,2]] (* _Harvey P. Dale_, Jul 29 2022 *)
%K nonn,base
%O 1,1
%A _Clark Kimberling_
|
