Number of segments needed to draw the toothpick structure of A139250 as it is after 2^n stages.
A210985
Number of segments needed to draw the toothpick structure of A139250 as it is after 2^n stages.
Terms
- a(0) =1a(1) =3a(2) =7a(3) =19a(4) =63a(5) =235a(6) =919a(7) =3651a(8) =14575
External references
- oeis: A210985