OFFSET
1,2
COMMENTS
a(n) is the smallest number whose square has the n-th possible digit sum.
LINKS
Zhao Hui Du, Table of n, a(n) for n = 1..147 (terms 1..94 from Giovanni Resta)
FORMULA
a(n) = sqrt(A067178(n)).
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Amarnath Murthy, Jan 09 2002
EXTENSIONS
Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 24 2003
Offset corrected by Giovanni Resta, Jun 27 2018
Name corrected by Jon E. Schoenfield, Feb 18 2024
STATUS
approved