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1,4

Table of n, a(n) for n=1..57.

16 is the smallest square with digit sum 7

Sequence in context: A262227 A069026 A133851 * A192016 A028699 A019259

Adjacent sequences: A062682 A062683 A062684 * A062686 A062687 A062688

base,easy,nonn

Erich Friedman, Jul 04 2001

approved