Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A317426
Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =53a(2) =75a(3) =279a(4) =1097a(5) =2891a(6) =8887a(7) =30029a(8) =89848a(9) =274792a(10) =882160a(11) =2721361a(12) =8383857a(13) =26399095a(14) =82085290a(15) =254251923a(16) =794713508a(17) =2475311210a(18) =7689325828a(19) =23970460330a(20) =74669710389a(21) =232271011634a(22) =723429518338
External references
- oeis: A317426