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 A087024 #19 Jul 07 2023 21:15:20 %S A087024 32,384,1280,576,1536,384,1536,4194304,16777216,3538944,1769472, %T A087024 110592,221184,13824,6912,48318382080,9663676416,3538944,75497472, %U A087024 14155776,56623104,884736,55296,57982058496,3710851743744,37748736,695784701952,27648,27648,2654208 %N A087024 Number of divisors of n-th cyclic number. %C A087024 Calculated with Dario Alpern's ECM. %C A087024 Extended using factors of 10^(A001913(n)-1)-1, see Kamada link. %H A087024 Max Alekseyev, <a href="/A087024/b087024.txt">Table of n, a(n) for n = 1..51</a> (first 42 terms from Ray Chandler) %H A087024 Dario A. Alpern, <a href="https://www.alpertron.com.ar/ECM.HTM">Factorization using the Elliptic Curve Method</a>. %H A087024 Makoto Kamada, <a href="https://stdkmd.net/nrr/repunit/">Factorizations of 11...11 (Repunit)</a> %H A087024 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/CyclicNumber.html">Cyclic Number</a> %H A087024 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/DivisorFunction.html">Divisor Function</a> %F A087024 a(n) = A000005(A004042(n+1)). %Y A087024 Cf. A001913, A087020, A087021, A087022, A087023, A087025, A087026. %K A087024 nonn %O A087024 1,1 %A A087024 _Reinhard Zumkeller_, Jul 30 2003 %E A087024 a(12)-a(42) from _Ray Chandler_, Nov 16 2011