Number of fixed polyominoes without holes that have a width of n and height of 3.
A293263
Number of fixed polyominoes without holes that have a width of n and height of 3.
Terms
- a(0) =1a(1) =15a(2) =106a(3) =582a(4) =2952a(5) =14488a(6) =69982a(7) =335356a(8) =1600624a(9) =7624266a(10) =36279784a(11) =172546968a(12) =820420150a(13) =3900386212a(14) =18541702744a(15) =88140749906a(16) =418982915000
External references
- oeis: A293263