cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A034105 Numbers n such that fractional part of square root of n starts with digit 9.

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%I A034105 #14 Mar 26 2023 16:25:22
%S A034105 35,48,63,80,99,119,120,142,143,167,168,194,195,223,224,253,254,255,
%T A034105 286,287,288,321,322,323,358,359,360,397,398,399,437,438,439,440,480,
%U A034105 481,482,483,525,526,527,528,572,573,574,575,621,622,623,624,671,672
%N A034105 Numbers n such that fractional part of square root of n starts with digit 9.
%H A034105 Harvey P. Dale, <a href="/A034105/b034105.txt">Table of n, a(n) for n = 1..1000</a>
%e A034105 sqrt(35)=5.916..., sqrt(48)=6.928..., sqrt(80)=8.944... - _R. J. Mathar_, Jul 21 2020
%t A034105 Select[Range[700],NumberDigit[Sqrt[#],-1]==9&] (* _Harvey P. Dale_, Mar 26 2023 *)
%Y A034105 Cf. A034115.
%K A034105 nonn,easy,base
%O A034105 1,1
%A A034105 _Patrick De Geest_, Sep 15 1998