%I #12 Aug 15 2021 09:36:29
%S 8,15,24,34,47,61,62,78,79,97,98,117,118,140,141,164,165,166,191,192,
%T 193,220,221,222,250,251,252,283,284,285,317,318,319,320,354,355,356,
%U 357,393,394,395,396,433,434,435,436,476,477,478,479,520,521,522,523
%N Fractional part of square root of a(n) starts with digit 8.
%o (Python)
%o from math import sqrt
%o def ok(n): r = sqrt(n); return int(10*(r-int(r))) == 8
%o print(list(filter(ok, range(524)))) # _Michael S. Branicky_, Aug 15 2021
%Y Cf. A034114.
%K nonn,easy,base
%O 1,1
%A _Patrick De Geest_, Sep 15 1998