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 A298688 #19 May 18 2018 20:03:16 %S A298688 1,60,60,540,13440,13440,329400,175472640,50238568800 %N A298688 a(n) is the least i such that Fibonacci(i) is divisible by i+k for all k=0..n. %C A298688 a(0)..a(5) are first terms of sequences A023172, A217738, A298684, A298685, A298686, A298687. %e A298688 Least i such that Fibonacci(i) is divisible by i and i+1 (cf. A217738) is i=60, therefore a(1)=60. %e A298688 Least i such that Fibonacci(i) is divisible by i, i+1, ..., i+5 (cf. A298687) is i=13440, therefore a(5)=13440. %Y A298688 Cf. A000045, A023172, A217738, A221018, A225219, A298684, A298685, A298686, A298687. %K A298688 nonn,hard,more %O A298688 0,2 %A A298688 _Alex Ratushnyak_, Jan 24 2018 %E A298688 a(7) from _Alois P. Heinz_, Jan 25 2018 %E A298688 a(6) inserted by _Chai Wah Wu_, Jan 26 2018 %E A298688 a(8) from _Silvester Resnik_, May 18 2018