Number of squares added at the n-th generation of a symmetric (with 45-degree angles), non-overlapping Pythagoras tree.

A276677

Number of squares added at the n-th generation of a symmetric (with 45-degree angles), non-overlapping Pythagoras tree.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =28a(6) =48a(7) =76a(8) =120a(9) =180a(10) =272a(11) =396a(12) =584a(13) =836a(14) =1216a(15) =1724a(16) =2488a(17) =3508a(18) =5040a(19) =7084a(20) =10152a(21) =14244a(22) =20384a(23) =28572a(24) =40856a(25) =57236a(26) =81808a(27) =114572a(28) =163720a(29) =229252

External references