Number of one-sided triangular n-ominoes (or triominoes) on the icosahedron.
A030138
Number of one-sided triangular n-ominoes (or triominoes) on the icosahedron.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =4a(4) =6a(5) =14a(6) =26a(7) =58a(8) =109a(9) =225a(10) =359a(11) =532a(12) =549a(13) =433a(14) =214a(15) =89a(16) =20a(17) =6a(18) =1a(19) =1
External references
- oeis: A030138