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.
%I A247894 #36 Oct 27 2023 21:43:46 %S A247894 0,1,724,34091,524288,4367320,24685212,106765608,379625062,1162261467, %T A247894 3162277660,7820427766,17874003451,38235066239,77306558317, %U A247894 148890490631,274877906944,488950340714,841567195983,1406563064942,2289733608959,3639848436450,5662594565481 %N A247894 Integer part of square root of A010807: a(n) = floor(sqrt(n^19)). %C A247894 a(n) = A000196(A010807(n)). - _Reinhard Zumkeller_, Sep 29 2014 %H A247894 Alois P. Heinz, <a href="/A247894/b247894.txt">Table of n, a(n) for n = 0..1000</a> (first 201 terms from Karl V. Keller, Jr.) %F A247894 a(n) = floor(sqrt(n^19)). %p A247894 seq(floor(sqrt(n^19)),n=0..100); # _Robert Israel_, Sep 28 2014 %o A247894 (PARI) a(n) = sqrtint(n^19); \\ _Michel Marcus_, Sep 28 2014 %o A247894 (Haskell) %o A247894 a247894 = a000196 . a010807 -- _Reinhard Zumkeller_, Sep 29 2014 %Y A247894 Cf. A010807 (n^19). %Y A247894 Cf. A000196. %K A247894 nonn %O A247894 0,3 %A A247894 _Karl V. Keller, Jr._, Sep 27 2014