OFFSET
1,1
COMMENTS
LINKS
Giovanni Resta, Table of n, a(n) for n = 1..97 (terms < 10^28; first 15 terms from Jon E. Schoenfield)
EXAMPLE
313^2 = 97969, a 5-digit number whose digit sum is 9+7+9+6+9 = 40 = 8*5, so 97969 is a term.
9949823114^2 = 98998979999888656996, a 20-digit number whose digit sum is 9+8+9+9+8+9+7+9+9+9+9+8+8+8+6+5+6+9+9+6 = 160 = 8*20, so 98998979999888656996 is a term.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Jon E. Schoenfield, Jul 04 2018
STATUS
approved