Square array read by antidiagonals: number of ways a black pawn (starting at any square on the second rank) can (theoretically) end at various squares on an infinite chessboard.
A062104
Square array read by antidiagonals: number of ways a black pawn (starting at any square on the second rank) can (theoretically) end at various squares on an infinite chessboard.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =0a(4) =1a(5) =2a(6) =0a(7) =1a(8) =3a(9) =6a(10) =0a(11) =1a(12) =3a(13) =9a(14) =15a(15) =0a(16) =1a(17) =3a(18) =10a(19) =25a(20) =40a(21) =0a(22) =1a(23) =3a(24) =10a(25) =29a(26) =69a(27) =109a(28) =0a(29) =1
External references
- oeis: A062104