a(n) is the number of free polyominoids that have faces aligned to precisely 3 planes.

A385400

a(n) is the number of free polyominoids that have faces aligned to precisely 3 planes.

Terms

    a(0) =0a(1) =0a(2) =2a(3) =16a(4) =239a(5) =3154a(6) =42225a(7) =561178a(8) =7459089

External references