Number of 6Xn 0..1 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
A281061
Number of 6Xn 0..1 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =0a(1) =468a(2) =4988a(3) =10112a(4) =22106a(5) =46610a(6) =87995a(7) =159317a(8) =282552a(9) =495655a(10) =864369a(11) =1501627a(12) =2601791a(13) =4498333a(14) =7762266a(15) =13369326a(16) =22983871a(17) =39440039a(18) =67556367a(19) =115513187a(20) =197179026a(21) =336035590a(22) =571793109a(23) =971529387a(24) =1648428839a(25) =2793279473
External references
- oeis: A281061