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 A370968 #13 Apr 14 2024 13:17:50 %S A370968 1,2,6,20,24,120,140,858,924,1008,1120,10080,11088,12012,12870,176358, %T A370968 184756,194480,205920,3500640,3695120,3879876,4056234,87253605, %U A370968 90262350,93605400,97349616,2433740400,2527345800,2617608150,2704861755,57176602275,79526843550,81676217700,84009823920,86555576160,2630123704650,2687300306925,2856334013280 %N A370968 A008336 sorted and duplicates removed. %C A370968 In fact 1 is the only repeated term in A008336 (see that entry for proof). %H A370968 Michael De Vlieger, <a href="/A370968/b370968.txt">Table of n, a(n) for n = 1..2753</a> %H A370968 Michael De Vlieger, <a href="/A370968/a370968.png">Plot p(i)^m(i) | a(n) at (x,y) = (n,i)</a>, n = 1..1024, 4X vertical exaggeration, with a color function where m(i) = 1 is black, m(i) = 2 is red, ... largest m(i) for n <= 1024 is in magenta. %e A370968 From _Michael De Vlieger_, Apr 11 2024: (Start) %e A370968 Table of first terms showing exponents of prime factors p | a(n), with "." signifying p^0. %e A370968 primes %e A370968 1111 %e A370968 n a(n) 23571379 %e A370968 ----------------------- %e A370968 1 1 . %e A370968 2 2 1 %e A370968 3 6 11 %e A370968 4 20 2.1 %e A370968 5 24 31 %e A370968 6 120 311 %e A370968 7 140 2.11 %e A370968 8 858 11..11 %e A370968 9 924 21.11 %e A370968 10 1008 42.1 %e A370968 11 1120 5.11 %e A370968 12 10080 5211 %e A370968 13 11088 42.11 %e A370968 14 12012 21.111 %e A370968 15 12870 121.11 %e A370968 16 176358 11.1.111 %e A370968 17 184756 2...1111 %e A370968 18 194480 4.1.111 %e A370968 19 205920 521.11 %e A370968 20 3500640 521.111 (End) %Y A370968 Cf. A008336, A337486. %K A370968 nonn %O A370968 1,2 %A A370968 _N. J. A. Sloane_, Apr 11 2024