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 A343734 #11 Jun 30 2022 05:57:12 %S A343734 1,5,25,35,175,385,1225,1925,5005,13475,25025,85085,175175,425425, %T A343734 1616615,2977975,8083075,32757725,37182145,56581525,185910725, %U A343734 622396775,929553625,1301375075,4647768125,5391411025,14315125825,26957055125,37739877175,134785275625 %N A343734 Highly composite 5-rough numbers: numbers that are divisible by neither 2 nor 3 whose number of divisors reaches a record. %H A343734 Amiram Eldar, <a href="/A343734/b343734.txt">Table of n, a(n) for n = 1..208</a> %e A343734 number of %e A343734 divisors %e A343734 n a(n) prime factorization of a(n) of a(n) %e A343734 -- ----- ---------------------------- --------- %e A343734 1 1 - 1 %e A343734 2 5 5 2 %e A343734 3 25 5^2 3 %e A343734 4 35 5 * 7 4 %e A343734 5 175 5^2 * 7 6 %e A343734 6 385 5 * 7 * 11 8 %e A343734 7 1225 5^2 * 7^2 9 %e A343734 8 1925 5^2 * 7 * 11 12 %e A343734 9 5005 5 * 7 * 11 * 13 16 %e A343734 10 13475 5^2 * 7^2 * 11 18 %e A343734 11 25025 5^2 * 7 * 11 * 13 24 %e A343734 12 85085 5 * 7 * 11 * 13 * 17 32 %Y A343734 Cf. A000005, A002182, A007310, A053624. %K A343734 nonn %O A343734 1,2 %A A343734 _Jon E. Schoenfield_, Jun 14 2021