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 A359851 #11 Feb 16 2025 08:34:04 %S A359851 3,5,8,15,20,30,53,60,80,89,130,252 %N A359851 a(n) is the index of the smallest tetranacci number (A000078) with exactly n distinct prime factors. %H A359851 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/DistinctPrimeFactors.html">Distinct Prime Factors</a> %H A359851 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TetranacciNumber.html">Tetranacci Number</a> %Y A359851 Cf. A000078, A001221, A060320, A359849, A359850. %K A359851 nonn,more %O A359851 0,1 %A A359851 _Ilya Gutkovskiy_, Jan 15 2023 %E A359851 a(11) from _Daniel Suteu_, Jan 17 2023