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 A385266 #12 Jun 25 2025 01:09:18 %S A385266 1,2,2,10,34,166,777,4053,21225,114594,624242,3442399,19121661, %T A385266 106964679,601639326,3400619170,19301719485,109962791254 %N A385266 Number of edge-connected components of polygonal cells in the basketweave tiling up to rotation and reflection of the tiling. %C A385266 Each square cell in the basketweave tiling is edge-connected to four rectangular cells. %H A385266 Peter Kagey, <a href="/A385266/a385266.png">Illustration of the a(4)=34 polyforms with 4 cells</a>. %H A385266 Peter Kagey, <a href="/A385266/a385266_1.png">Illustration of the basketweave tiling</a>. %Y A385266 A000105 (square), A000228 (hexagonal), A000577 (triangular), A197156 (prismatic pentagonal), A197159 (floret pentagonal), A197459 (rhombille), A197462 (kisrhombille), A197465 (tetrakis square), A309159 (snub square), A343398 (trihexagonal), A343406 (truncated hexagonal), A343577 (truncated square), A344211 (rhombitrihexagonal), A344213 (truncated trihexagonal), A383908 (snub trihexagonal), A385265 (pinwheel). %K A385266 nonn,hard,more %O A385266 0,2 %A A385266 _Peter Kagey_ and _Bert Dobbelaere_, Jun 23 2025