OFFSET
1,5
COMMENTS
LINKS
Pontus von Brömssen, Table of n, a(n) for n = 1..1596 (first 56 antidiagonals).
EXAMPLE
Array begins:
1.00000000000000000000... (monomino)
0.50000000000000000000... (domino)
0.14317187227209462175... (L tromino)
0.21365625545581075649... (I tromino)
0.05331174468766310877... (L tetromino)
0.05462942885357382723... (square tetromino)
0.05107523273680265528... (T tetromino)
0.03794485956843370668... (S tetromino)
0.08139812221208792734... (I tetromino)
0.01652391644265825925... (P pentomino)
0.01709341200261444870... (V pentomino)
0.00933365290110550590... (W pentomino)
0.01825698429438352158... (L pentomino)
0.01973313069852314774... (Y pentomino)
0.01316184592639931744... (N pentomino)
0.01069856796007681265... (U pentomino)
0.02067501830899727807... (T pentomino)
0.01358243200363682514... (F pentomino)
0.01232428737930631004... (Z pentomino)
0.01279646275569121440... (X pentomino)
0.02831865405554939733... (I pentomino)
...
CROSSREFS
AUTHOR
Pontus von Brömssen, Jan 08 2024
STATUS
approved