Number of nX2 0..1 arrays with no 1 equal to more than two of its king-move neighbors, with the exception of exactly one element.
A282554
Number of nX2 0..1 arrays with no 1 equal to more than two of its king-move neighbors, with the exception of exactly one element.
Terms
- a(0) =0a(1) =0a(2) =10a(3) =36a(4) =154a(5) =652a(6) =2472a(7) =9356a(8) =34766a(9) =126780a(10) =457966a(11) =1638696a(12) =5816976a(13) =20517784a(14) =71966162a(15) =251201940a(16) =873150786a(17) =3023695364a(18) =10436408760a(19) =35915418404a(20) =123269647510a(21) =422072810028
External references
- oeis: A282554