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A062685 Smallest square with digit sum n (or 0 if no such square exists). 0
1, 0, 0, 4, 0, 0, 16, 0, 9, 64, 0, 0, 49, 0, 0, 169, 0, 576, 289, 0, 0, 1849, 0, 0, 4489, 0, 3969, 17956, 0, 0, 6889, 0, 0, 27889, 0, 69696, 98596, 0, 0, 97969, 0, 0, 499849, 0, 1887876, 698896, 0, 0, 2778889, 0, 0, 4999696, 0, 9696996, 19998784, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

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

EXAMPLE

16 is the smallest square with digit sum 7

CROSSREFS

Sequence in context: A262227 A069026 A133851 * A192016 A028699 A019259

Adjacent sequences:  A062682 A062683 A062684 * A062686 A062687 A062688

KEYWORD

base,easy,nonn

AUTHOR

Erich Friedman, Jul 04 2001

STATUS

approved

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Last modified December 12 16:18 EST 2017. Contains 295939 sequences.