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 A359878 #9 Feb 16 2025 08:34:04 %S A359878 2,4,5,9,8,17,13,52,16,40,36,32,62,88,96,144,112,221,256,208,400,192 %N A359878 a(n) is the index of the smallest tribonacci number (A000073) with exactly n prime factors (counted with multiplicity). %H A359878 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PrimeFactor.html">Prime Factor</a> %H A359878 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TribonacciNumber.html">Tribonacci Number</a> %Y A359878 Cf. A000073, A001222, A072396, A359850, A359876, A359879. %K A359878 nonn,more %O A359878 0,1 %A A359878 _Ilya Gutkovskiy_, Jan 16 2023 %E A359878 a(17)-a(21) from _Daniel Suteu_, Jan 18 2023