Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A316690
Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =16a(1) =8a(2) =21a(3) =44a(4) =88a(5) =359a(6) =1125a(7) =3117a(8) =10022a(9) =31545a(10) =95424a(11) =296211a(12) =920485a(13) =2836189a(14) =8769823a(15) =27145969a(16) =83899059a(17) =259392614a(18) =802225003a(19) =2480455071a(20) =7669523490a(21) =23715722335a(22) =73331519730a(23) =226746858798a(24) =701128606584
External references
- oeis: A316690