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 A343737 #17 Jun 30 2022 05:57:16 %S A343737 1,7,49,77,539,1001,5929,7007,17017,77077,119119,323323,1310309, %T A343737 2263261,7436429,24895871,52055003,215656441,572605033,1509595087, %U A343737 6685349671,16605545957,46797447697,215872097441,247357937827,514771924667,1731505564789,6692035020671 %N A343737 Highly composite 7-rough numbers: numbers that are not divisible by any prime smaller than 7 and whose number of divisors reaches a record. %H A343737 Amiram Eldar, <a href="/A343737/b343737.txt">Table of n, a(n) for n = 1..150</a> %e A343737 n a(n) prime factorization number of divisors %e A343737 -- ------ ---------------------- ------------------ %e A343737 1 1 - 1 %e A343737 2 7 7 2 %e A343737 3 49 7^2 3 %e A343737 4 77 7 * 11 4 %e A343737 5 539 7^2 * 11 6 %e A343737 6 1001 7 * 11 * 13 8 %e A343737 7 5929 7^2 * 11^2 9 %e A343737 8 7007 7^2 * 11 * 13 12 %e A343737 9 17017 7 * 11 * 13 * 17 16 %e A343737 10 77077 7^2 * 11^2 * 13 18 %e A343737 11 119119 7^2 * 11 * 13 * 17 24 %Y A343737 Cf. A000005, A002182, A007775, A053624, A343734. %K A343737 nonn %O A343737 1,2 %A A343737 _Jon E. Schoenfield_, Jun 27 2021