Number of (n+1)X(6+1) 0..1 arrays with every 2X2 subblock ne-sw antidiagonal difference unequal to its neighbors horizontally and nw+se diagonal sum unequal to its neighbors vertically.
A253696
Number of (n+1)X(6+1) 0..1 arrays with every 2X2 subblock ne-sw antidiagonal difference unequal to its neighbors horizontally and nw+se diagonal sum unequal to its neighbors vertically.
Terms
- a(0) =1736a(1) =1026a(2) =968a(3) =1262a(4) =1914a(5) =3042a(6) =5030a(7) =7800a(8) =12646a(9) =20932a(10) =34308a(11) =57610a(12) =95600a(13) =156264a(14) =261038a(15) =432986a(16) =717482a(17) =1198642a(18) =1983722a(19) =3292778a(20) =5489662a(21) =9100640a(22) =15142050a(23) =25197734a(24) =41800394a(25) =69565444a(26) =115664072a(27) =192093602a(28) =319650222
External references
- oeis: A253696