OFFSET
1,2
COMMENTS
Identical to A023760 apart from its first term. - Charles R Greathouse IV, May 03 2016
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Range[300], Max[Differences[IntegerDigits[#, 4]]] < 1 &] (* Harvey P. Dale, Apr 27 2017 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved