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 A372848 #34 May 18 2024 09:54:40 %S A372848 4104,171288,1728216,2864288,2987712,2991816,3512808,3551112,9016488, %T A372848 10424232,12753160,13825728,14197248,36047592,43450344,43699392, %U A372848 49844032,63057960,72131904,75550088,85188096,92384712,107872128,107919000,110808000,117258678,119824488,132678000 %N A372848 Taxicab numbers that are sandwiched between semiprimes. %C A372848 All terms are even numbers. %e A372848 4104 = 2^3 * 3^3 * 19 (between 4103 = 11 * 373 and 4105 = 5 * 821). %e A372848 171288 = 2^3 * 3^3 * 13 * 61 (between 171287 = 157 * 1091 and 171289 = 103 * 1663). %e A372848 1728216 = 2^3 * 3^5 * 7 * 127 (between 1728215 = 5 * 345643 and 1728217 = 617 * 2801). %t A372848 Select[Import["https://oeis.org/A001235/b001235.txt", "Table"][[;; , 2]], # < 1.5*10^8 && PrimeOmega[# + {-1, 1}] == {2, 2} &] (* _Amiram Eldar_, May 16 2024 *) %Y A372848 Cf. A001235, A001358. %Y A372848 Subsequence of A371602. %K A372848 nonn %O A372848 1,1 %A A372848 _Massimo Kofler_, May 16 2024