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 A284578 #7 Apr 12 2017 04:43:19 %S A284578 1,1,3,1,1,1,15,1,1,1,3,5,1,1,105,1,1,7,75,5,5,125,525,7,7,25,75,35,1, %T A284578 1,1155,1,1,77,75,245,5,35,147,1,1,30625,13125,7,245,245,40425,11,11, %U A284578 13475,1029,245,245,1715,1617,11,77,1225,3675,385,1,1,15015,1,1,1001,75,245,2695,1715,3,1,7,48125,7203,1,35,300125,363,1,1,75625 %N A284578 a(n) = A059895(A260443(n), A260443(1+n)). %H A284578 Antti Karttunen, <a href="/A284578/b284578.txt">Table of n, a(n) for n = 0..1024</a> %F A284578 a(n) = A059895(A260443(n), A260443(1+n)). %F A284578 a(n) = A277324(n) / A284576(n) = A000196(A277324(n)/A284577(n)). %F A284578 a(n) = A284576(n) / A284577(n). %F A284578 A001222(a(n)) = A285108(n). %o A284578 (Scheme) (define (A284578 n) (A059895bi (A260443 n) (A260443 (+ 1 n)))) ;; For A059895bi, see A059895. %Y A284578 Cf. A000196, A059895, A260443, A277324, A284576, A284577, A285108. %K A284578 nonn %O A284578 0,3 %A A284578 _Antti Karttunen_, Apr 11 2017