Degree of denominator of GF for number of ways to place k nonattacking queens on an n X n board.
A178717
Degree of denominator of GF for number of ways to place k nonattacking queens on an n X n board.
Terms
- a(0) =3a(1) =5a(2) =9a(3) =17a(4) =37a(5) =81a(6) =197a(7) =477a(8) =1197a(9) =3077a(10) =7989a(11) =20649a(12) =53885a(13) =140601a(14) =366917a(15) =959685a(16) =2511477a(17) =6571681a(18) =17202449a(19) =45027677a(20) =117871345a(21) =308581637a(22) =807852685a(23) =2114904397a(24) =5536838045a(25) =14495554593a(26) =37949503089a(27) =99352690141a(28) =260108204933
External references
- oeis: A178717