OFFSET
1,2
COMMENTS
From a(1) up to a(12), except for n = 7, these smallest squares begin with exactly n copies of n, but a(7) begins with 8 copies of 7. What is the smallest square beginning with exactly 7 copies of 7? - Bernard Schott, Jan 29 2022
27888667^2 = 777777747036889 begins with exactly 7 copies of 7. - Michel Marcus, Jan 30 2022
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Nov 19 2002
EXTENSIONS
Corrected and extended by Sascha Kurz, Jan 04 2003
a(11)-a(12) from Bernard Schott, Jan 29 2022
STATUS
approved