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 A372296 #14 Apr 25 2025 06:31:19
%S A372296 20683,216125,327763,593047,684019,842751,1845649,2691451,4505949,
%T A372296 4744376,5004125,5772403,6058747,7640128,8029000,8216000,8494577,
%U A372296 10702783,10765603,10821896,11859211,12533824,13731319,14916727,16776487,18406603,18617625,20616463,22031576,24480125,25937576,27529073
%N A372296 Taxicab numbers that are sandwiched between nonsquarefree numbers.
%H A372296 Christian Boyer, <a href="https://medias.pourlascience.fr/api/v1/files/5a82a1e48fe56f68674f7ff2?alt=file">Les nombres Taxicabs</a>, in Dossier Pour La Science, pp. 26-28, Volume 59 (Jeux math') April/June 2008 Paris.
%e A372296 20683 = 13 * 37 * 43 (between 20682 = 2 * 3^3 * 383 and 20684 = 2^2 * 5171).
%e A372296 216125 = 5^3 * 7 * 13 * 19 (between 216124 = 2^2 * 71 * 761 and 216126 = 2 * 3^2 * 12007).
%e A372296 327763 = 31 * 97 * 109 (between 327762 = 2 * 3^2 * 131 * 139 and 327764 = 2^2 * 67 * 1223).
%t A372296 Select[Import["https://oeis.org/A001235/b001235.txt", "Table"][[;; , 2]], # < 3*10^7 && Nor @@ SquareFreeQ /@ (# + {-1, 1}) &] (* _Amiram Eldar_, Apr 25 2024 *)
%Y A372296 Cf. A001235, A011541, A013929, A371602.
%K A372296 nonn
%O A372296 1,1
%A A372296 _Massimo Kofler_, Apr 25 2024