Building block is trapezoid formed from 3 equilateral triangles; sequence gives number of pieces (polytraps) that can be formed from n such trapezoids.
A057782
Building block is trapezoid formed from 3 equilateral triangles; sequence gives number of pieces (polytraps) that can be formed from n such trapezoids.
Terms
- a(0) =1a(1) =9a(2) =94a(3) =1552a(4) =27285a(5) =509805a(6) =9783124
External references
- oeis: A057782