Triangle read by rows: T(n,k) = number of squares and rectangles of area 2^(k-1) after 2^n stages in the toothpick structure of A139250, n>=1, k>=1, assuming the toothpicks have length 2.
A211016
Triangle read by rows: T(n,k) = number of squares and rectangles of area 2^(k-1) after 2^n stages in the toothpick structure of A139250, n>=1, k>=1, assuming the toothpicks have length 2.
Terms
- a(0) =0a(1) =0a(2) =4a(3) =8a(4) =12a(5) =4a(6) =40a(7) =52a(8) =12a(9) =4a(10) =168a(11) =212a(12) =52a(13) =12a(14) =4a(15) =680a(16) =852a(17) =212a(18) =52a(19) =12a(20) =4a(21) =2728a(22) =3412a(23) =852a(24) =212a(25) =52a(26) =12a(27) =4a(28) =10920a(29) =13652
External references
- oeis: A211016