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.

A011072 Decimal expansion of 4th root of 80.

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%I A011072 #17 Jul 08 2025 01:54:02
%S A011072 2,9,9,0,6,9,7,5,6,2,4,4,2,4,4,1,0,8,3,8,2,3,7,9,7,9,8,8,2,8,1,8,2,6,
%T A011072 7,9,0,7,2,6,9,1,9,5,1,5,2,2,9,4,1,2,6,9,1,0,3,3,1,8,7,0,0,0,0,9,5,8,
%U A011072 4,2,9,3,3,9,4,5,9,9,4,0,2,5,6,9,7,2,4,8,8,5,1,4,1,4,9,7,6,9,5
%N A011072 Decimal expansion of 4th root of 80.
%H A011072 Ivan Panchenko, <a href="/A011072/b011072.txt">Table of n, a(n) for n = 1..1000</a>
%F A011072 Equals 2 * A011003. - _Amiram Eldar_, May 25 2023
%e A011072 2.99069756244244108382379798828182679072691951522941...
%t A011072 RealDigits[Surd[80,4],10,120][[1]] (* _Harvey P. Dale_, Nov 02 2015 *)
%o A011072 (PARI) sqrtn(80,4) \\ _Charles R Greathouse IV_, Apr 16 2014
%Y A011072 Cf. A011003.
%K A011072 nonn,cons
%O A011072 1,1
%A A011072 _N. J. A. Sloane_