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A045858 Numbers whose square has initial digit '4'. 5

%I #16 Aug 09 2021 04:58:40

%S 2,7,20,21,22,64,65,66,67,68,69,70,200,201,202,203,204,205,206,207,

%T 208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,633,

%U 634,635,636,637,638,639,640,641,642,643,644,645,646,647,648,649,650,651

%N Numbers whose square has initial digit '4'.

%H Seiichi Manyama, <a href="/A045858/b045858.txt">Table of n, a(n) for n = 1..10000</a>

%Y Cf. A045787.

%K nonn,base

%O 1,1

%A _Jeff Burch_

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Last modified April 14 00:20 EDT 2024. Contains 371652 sequences. (Running on oeis4.)