Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

A305358

Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =49a(2) =53a(3) =115a(4) =271a(5) =538a(6) =1476a(7) =3001a(8) =8018a(9) =19631a(10) =49142a(11) =121150a(12) =301994a(13) =755291a(14) =1883016a(15) =4721904a(16) =11811102a(17) =29624570a(18) =74283952a(19) =186275585a(20) =467396085a(21) =1172634363a(22) =2942953196a(23) =7385641030a(24) =18537581048a(25) =46532964358a(26) =116809764471

External references