OFFSET
1,2
LINKS
Martin Raab, Table of n, a(n) for n = 1..55 (terms 1..50 from Giovanni Resta)
EXAMPLE
24^2=576 and none of the substrings 5, 7, 6, 57, 76 or 56 is a square number.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Martin Raab, Aug 31 2007
EXTENSIONS
a(31)-a(32) from Giovanni Resta, Jan 08 2018
STATUS
approved