Building block is 2 hexagons side-by-side; sequence gives number of pieces (polydohexes) that can be formed from n such pairs of hexagons.

A057783

Building block is 2 hexagons side-by-side; sequence gives number of pieces (polydohexes) that can be formed from n such pairs of hexagons.

Terms

    a(0) =1a(1) =6a(2) =74a(3) =1257a(4) =25379a(5) =544108a(6) =12037738

External references