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 A365141 #4 Aug 27 2023 10:10:53
%S A365141 1,3,7,67,15,71,135,139,195,198,2097219,31,79,143,155,199,203,327,454,
%T A365141 653,707,710,775,902,5127,2097223,2097347,2097350,4194375,4194379,
%U A365141 4194693,4194694,4194756,4194950,4194954,12583046,72057594040025155,63,95,159,187,207
%N A365141 List of free 5-dimensional polyominoes in binary code (see A365139), ordered first by the number of cells, then by the value of the binary code.
%C A365141 Can be read as an irregular triangle, whose n-th row contains Sum_{d=0..5} A049430(n,d) terms.
%H A365141 <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>.
%e A365141 As an irregular triangle:
%e A365141 1;
%e A365141 3;
%e A365141 7, 67;
%e A365141 15, 71, 135, 139, 195, 198, 2097219;
%e A365141 ...
%Y A365141 Cf. A049430, A246521 (2 dimensions), A365139 (3 dimensions), A365140 (4 dimensions).
%K A365141 nonn,tabf
%O A365141 1,2
%A A365141 _Pontus von Brömssen_, Aug 23 2023