Number of nX6 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
A281467
Number of nX6 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =32a(1) =169a(2) =87a(3) =176a(4) =358a(5) =706a(6) =1422a(7) =2858a(8) =5793a(9) =11986a(10) =24812a(11) =51020a(12) =105433a(13) =218415a(14) =451445a(15) =933860a(16) =1933761a(17) =4001344a(18) =8280221a(19) =17142208a(20) =35481002a(21) =73434221a(22) =152010612a(23) =314650743a(24) =651271763a(25) =1348093615a(26) =2790464503a(27) =5775936332
External references
- oeis: A281467