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Numbers k such that there are 8 digits in k^2 and for each factor f of 8 (1,2,4) the sum of digit groupings of size f is a square.
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%I #10 May 09 2021 07:52:41

%S 3387,3414,3578,3900,4767,6000,6549,6552,6744,6780,6783,7387,7862,

%T 7889,8367,8598,8600,8773,8898,9000,9220,9884,9885

%N Numbers k such that there are 8 digits in k^2 and for each factor f of 8 (1,2,4) the sum of digit groupings of size f is a square.

%C This is the complete sequence. This sequence is a subsequence of both A153745 and A061910.

%Y Cf. A061910, A153745.

%K nonn,base,fini,full

%O 1,1

%A _Doug Bell_, Dec 31 2008