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 A086209 #6 Feb 16 2025 08:32:50 %S A086209 1,1,2,3,6,11,29,66,216,656,2595,9744,49895,232379,1409681,8499639, %T A086209 62575472,457432705,4149365733,37128654099,403871166718,4462555420780, %U A086209 57791900756532,769856248243565,12070457173762581,193254691673461508,3581624759657803466 %N A086209 Number of partitions of n-th partition number into partition numbers. %C A086209 a(n) = A007279(A000041(n)). %H A086209 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Partition.html">Partition</a> %K A086209 nonn %O A086209 0,3 %A A086209 _Reinhard Zumkeller_, Aug 27 2003 %E A086209 a(0), a(17)-a(26) from _Alois P. Heinz_, Jul 04 2017