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.

A232110 Fourth root of n contains n as a string of digits to the immediate right of the decimal point (excluding leading zeros).

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%I A232110 #24 Jan 17 2025 22:54:29
%S A232110 3,4,27,1913227,9821998,3588613885932,7625632704605,50859949338383,
%T A232110 21029300554772499,97202454420912990,440023525444970228,
%U A232110 783944985766933369,1277151495727998611,2283977463662240937,72927208535053310211,365439872472838714161,740751647624914930138
%N A232110 Fourth root of n contains n as a string of digits to the immediate right of the decimal point (excluding leading zeros).
%H A232110 Sean A. Irvine, <a href="/A232110/b232110.txt">Table of n, a(n) for n = 1..19</a>
%H A232110 Robert Tanniru, <a href="/A232110/a232110_1.txt">PARI code</a>
%e A232110 1913227^(1/4) = 37.19132279207...
%o A232110 (PARI) isok(n) = {if (ispower(n, 4), return (0)); fr = frac(n^(1/4)); while (frac(fr) < 1/10, fr *= 10); nd = length(digits(n)); fr *= 10^nd; floor(fr) == n;} \\ _Michel Marcus_, Nov 20 2013
%o A232110 (PARI) /*Sample Run Using a = [0,14], b=10, p=4 using PARI code in link */
%o A232110 GetAllGIs(0,14,10,4,1)
%Y A232110 Cf. A074841, A232086, A074762.
%K A232110 nonn,base,hard
%O A232110 1,1
%A A232110 _Robert Tanniru_, Nov 18 2013
%E A232110 More terms from _Bert Dobbelaere_, Jun 23 2024