Number of (n+1) X 8 0..1 arrays with the number of rightwards and downwards edge increases in each 2 X 2 subblock equal to the number in all its horizontal and vertical neighbors.
A206266
Number of (n+1) X 8 0..1 arrays with the number of rightwards and downwards edge increases in each 2 X 2 subblock equal to the number in all its horizontal and vertical neighbors.
Terms
- a(0) =154a(1) =174a(2) =503a(3) =1296a(4) =3011a(5) =6444a(6) =12878a(7) =24319a(8) =43766a(9) =75591a(10) =125978a(11) =203499a(12) =319778a(13) =490323a(14) =735479a(15) =1081584a(16) =1562283a(17) =2220084a(18) =3108113a(19) =4292154a(20) =5852933a(21) =7888734a(22) =10518308a(23) =13884165a(24) =18156212a(25) =23535829a(26) =30260348a(27) =38608029a(28) =48903500a(29) =61523757
External references
- oeis: A206266