Number of nX3 0..1 arrays with every element unequal to 1, 2, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

A316171

Number of nX3 0..1 arrays with every element unequal to 1, 2, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =11a(2) =16a(3) =34a(4) =113a(5) =275a(6) =604a(7) =1804a(8) =4683a(9) =11365a(10) =31038a(11) =82942a(12) =210403a(13) =558769a(14) =1491058a(15) =3874324a(16) =10204095a(17) =27097133a(18) =71126798a(19) =187171924a(20) =495234515a(21) =1304838307a(22) =3436483078a(23) =9075524470a(24) =23939196931a(25) =63097831781a(26) =166506104866

External references