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 A240906 #21 Sep 17 2019 16:57:40 %S A240906 2,3,4,5,16,81,256,65536,4294967296,18446744073709551616, %T A240906 340282366920938463463374607431768211456, %U A240906 115792089237316195423570985008687907853269984665640564039457584007913129639936 %N A240906 Maximal A050376-factors in factorization of factorials over distinct terms of A050376. %C A240906 In contrast to prime power factorization of n! where maximal prime does not exceed n, in the considered factorization of n!, the maximal A050376-factor could be much greater than n. For example, for n=18, it is 65536. %C A240906 Essentially, a(n) is A177334 with duplicates removed. - _Ivan Neretin_, May 31 2016 %e A240906 81 is in the sequence, since 9! = 2*4*5*7*16*81. %Y A240906 Cf. A240537, A240606, A240619, A240620, A240668, A240669, A240670, A240672, A240695, A240751, A240755, A240764, A240905. %K A240906 nonn %O A240906 2,1 %A A240906 _Vladimir Shevelev_, Apr 14 2014 %E A240906 a(9) from A177334 by _Robert Price_, Aug 31 2019 %E A240906 a(10)-a(12) from _Amiram Eldar_, Sep 17 2019