Number of 0..1 arrays x(0..n-1) of n elements with each no smaller than the sum of its four previous neighbors modulo 2.
A200462
Number of 0..1 arrays x(0..n-1) of n elements with each no smaller than the sum of its four previous neighbors modulo 2.
Terms
- a(0) =2a(1) =3a(2) =5a(3) =8a(4) =13a(5) =20a(6) =29a(7) =43a(8) =63a(9) =91a(10) =130a(11) =184a(12) =262a(13) =370a(14) =519a(15) =724a(16) =1010a(17) =1408a(18) =1955a(19) =2705a(20) =3735a(21) =5157a(22) =7107a(23) =9775a(24) =13418a(25) =18406a(26) =25227a(27) =34529a(28) =47200a(29) =64455
External references
- oeis: A200462