Number of nX5 0..1 arrays with no element equal to more than two of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
A280601
Number of nX5 0..1 arrays with no element equal to more than two of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =16a(1) =138a(2) =293a(3) =726a(4) =1648a(5) =3647a(6) =8031a(7) =17745a(8) =39427a(9) =87996a(10) =197061a(11) =442244a(12) =993767a(13) =2234762a(14) =5027590a(15) =11313252a(16) =25460562a(17) =57302892a(18) =128973259a(19) =290288833a(20) =653378497a(21) =1470622856a(22) =3310082220a(23) =7450351382a(24) =16769302007a(25) =37744471304
External references
- oeis: A280601