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 A300123 #9 May 24 2018 16:05:25 %S A300123 1,1,2,2,4,4,8,4,10,8,16,8,32,16,20,8,64,20,128,16,40,32,256,16,52,64, %T A300123 52,32,512,40,1024,16,80,128,104,40,2048,256,160,32,4096,80,8192,64, %U A300123 104,512,16384,32,272,104 %N A300123 Number of ways to tile the diagram of the integer partition with Heinz number n using connected skew partitions. %C A300123 The diagram of a connected skew partition is required to be connected as a polyomino but can have empty rows or columns. The Heinz number of an integer partition (y_1,...,y_k) is prime(y_1)*...*prime(y_k). %H A300123 Solomon W. Golomb, <a href="https://doi.org/10.1016/S0021-9800(66)80033-9">Tiling with polyominoes</a>, Journal of Combinatorial Theory, 1-2 (1966), 280-296. %H A300123 Gus Wiseman, <a href="/A300123/a300123.png">The a(25) = 52 connected tilings of (3,3).</a> %Y A300123 Cf. A000085, A000898, A056239, A006958, A238690, A259479, A259480, A296150, A296561, A297388, A299699, A299925, A299926, A300060, A300118, A300120, A300121, A300122, A300124. %K A300123 nonn %O A300123 1,3 %A A300123 _Gus Wiseman_, Feb 25 2018