OFFSET
1,1
COMMENTS
Generated with DrScheme.
LINKS
Jonathan Wellons, Table of n, a(n) for n = 1..169
J. Wellons, Tables of Shared Digits [archived]
EXAMPLE
473738734783472^2 = 224428388834244823422724374784.
MATHEMATICA
With[{c={2, 3, 4, 7, 8}}, Select[Range[5000000], SubsetQ[c, IntegerDigits[#]]&&SubsetQ[ c, IntegerDigits[#^2]]&]] (* Harvey P. Dale, Mar 22 2023 *)
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
STATUS
approved