Number of (n+1) X (6+1) 0..2 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2 (constant-stress 1 X 1 tilings).
A234264
Number of (n+1) X (6+1) 0..2 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2 (constant-stress 1 X 1 tilings).
Terms
- a(0) =1336a(1) =1690a(2) =2324a(3) =3616a(4) =6076a(5) =11140a(6) =21164a(7) =42076a(8) =84556a(9) =174700a(10) =361484a(11) =766156a(12) =1619596a(13) =3513100a(14) =7574924a(15) =16818316a(16) =36974476a(17) =84005260a(18) =188124044a(19) =436672396a(20) =994194316a(21) =2351102860a(22) =5427635084a(23) =13031887756a(24) =30417011596a(25) =73894388620
External references
- oeis: A234264