Number of (n+1)X6 0..3 arrays with every 2X3 or 3X2 subblock having exactly one clockwise edge increases.
A206203
Number of (n+1)X6 0..3 arrays with every 2X3 or 3X2 subblock having exactly one clockwise edge increases.
Terms
- a(0) =29724a(1) =22576a(2) =27400a(3) =70168a(4) =118936a(5) =236488a(6) =713408a(7) =1226384a(8) =2475328a(9) =7286528a(10) =12463904a(11) =24915264a(12) =72915680a(13) =124641664a(14) =249152672a(15) =729156800a(16) =1246416640a(17) =2491526720a(18) =7291568000a(19) =12464166400a(20) =24915267200a(21) =72915680000a(22) =124641664000
External references
- oeis: A206203