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Numbers k such that the sum of the squared digits of k plus the largest digit of k is a square.
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%I #7 Apr 14 2024 23:24:26

%S 0,23,32,38,44,57,75,78,83,87,111,124,139,142,193,203,214,227,230,233,

%T 241,272,302,308,319,320,323,332,347,355,374,380,391,404,412,421,437,

%U 440,473,477,507,535,553,570,599,668,686,705,708,722,734,743,747,750

%N Numbers k such that the sum of the squared digits of k plus the largest digit of k is a square.

%e 78 is in the sequence because 7^2 + 8^2 + 8 = 121 = 11^2.

%Y Cf. A054055, A003132.

%K base,easy,nonn

%O 1,2

%A _Jason Earls_, Jul 21 2004