OFFSET
1,2
COMMENTS
Generated with DrScheme.
LINKS
Jonathan Wellons, Table of n, a(n) for n = 1..1058
J. Wellons, Tables of Shared Digits [archived]
EXAMPLE
8989409879898^2 = 80809489988807774784490404.
MATHEMATICA
With[{c={0, 4, 7, 8, 9}}, Select[FromDigits/@Tuples[c, 6], SubsetQ[ c, IntegerDigits[ #^2]]&]] (* Harvey P. Dale, Jun 02 2019 *)
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
STATUS
approved