OFFSET
1,2
LINKS
Daniel Starodubtsev, Table of n, a(n) for n = 1..10000
MATHEMATICA
Select[Range[0, 250], DigitCount[#, 5, 1]==DigitCount[#, 5, 4]&] (* Harvey P. Dale, Jul 14 2022 *)
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
STATUS
approved