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 A057071 #12 Mar 14 2025 11:02:34 %S A057071 387420489,193710244,129140163,96855122,77484097,64570081,55345784, %T A057071 48427561,43046721,38742048,35220044,32285040,29801576,27672892, %U A057071 25828032,24213780,22789440,21523360,20390552,19371024,18448594 %N A057071 a(n) = floor(9^9/n). %H A057071 Seiichi Manyama, <a href="/A057071/b057071.txt">Table of n, a(n) for n = 1..10000</a> %H A057071 <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (1). %o A057071 (PARI) a(n) = 9^9\n; \\ _Seiichi Manyama_, Aug 12 2023 %Y A057071 Cf. A000007, A033324, A033347, A057066-A057075. %K A057071 nonn,easy %O A057071 1,1 %A A057071 _Henry Bottomley_, Jul 31 2000