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 A324208 #8 Mar 15 2019 22:57:51 %S A324208 25968760179275365452000000,29023908435660702564000000, %T A324208 30690352939143613716000000,31435867585438600284000000, %U A324208 33959147926744708668000000,34300982696689921212000000,36356264250985511632800000,37151479873700163972000000,38953140268913048178000000,39267640824717421116000000 %N A324208 Numbers with exactly eight distinct exponents in their prime factorization, or eight distinct parts in their prime signature. %e A324208 29023908435660702564000000 = 2^8 * 3^7 * 5^6 * 7^5 * 11^4 * 13^3 * 17 * 19^2 is in the sequence as there are exactly 8 distinct exponents; 1 through 8. %o A324208 (PARI) is(n) = #Set(factor(n)[, 2]) == 8 %Y A324208 Cf. A001221, A001222, A006939, A051270, A059404, A071625, A118914, A181819, A182855, A323014, A323022, A323024, A323025, A323056. %K A324208 nonn %O A324208 1,1 %A A324208 _David A. Corneth_, Feb 17 2019