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A153748 Numbers k such that there are 10 digits in k^2 and for each factor f of 10 (1, 2, 5) the sum of digit groupings of size f is a square. 2

%I #20 May 09 2021 07:52:54

%S 33018,33051,33081,33084,33150,33153,33477,33573,33579,33582,33603,

%T 33606,33642,33645,33648,36312,39192,41703,44928,47439,53052,53971,

%U 55785,56277,60725,63490,66342,66345,66375,66381,66444,66903,66942,67008,69645,76710,77530

%N Numbers k such that there are 10 digits in k^2 and for each factor f of 10 (1, 2, 5) the sum of digit groupings of size f is a square.

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

%C Last term is a(48) = 99677. - _Giovanni Resta_, Jun 06 2015

%H Giovanni Resta, <a href="/A153748/b153748.txt">Table of n, a(n) for n = 1..48</a> (full sequence)

%Y Cf. A061910, A153745.

%K nonn,base,fini,full

%O 1,1

%A _Doug Bell_, Dec 31 2008

%E More terms from _Giovanni Resta_, Jun 06 2015

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Last modified June 29 09:33 EDT 2024. Contains 373837 sequences. (Running on oeis4.)