Number of 7 X n 0..1 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
A281211
Number of 7 X n 0..1 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =0a(1) =1308a(2) =2688a(3) =3604a(4) =5712a(5) =9118a(6) =14375a(7) =22700a(8) =36144a(9) =58168a(10) =94524a(11) =154800a(12) =254959a(13) =421560a(14) =698756a(15) =1159898a(16) =1926760a(17) =3201376a(18) =5318733a(19) =8833940a(20) =14666360a(21) =24337820a(22) =40366132a(23) =66914912a(24) =110866187a(25) =183590176a(26) =303864300a(27) =502685950a(28) =831204864
External references
- oeis: A281211