Number of (n+1) X (9+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).
A235279
Number of (n+1) X (9+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).
Terms
- a(0) =35200a(1) =41500a(2) =48328a(3) =62800a(4) =79480a(5) =115480a(6) =160888a(7) =260680a(8) =401560a(9) =716200a(10) =1215928a(11) =2348200a(12) =4345240a(13) =8936680a(14) =17733688a(15) =38288680a(16) =80144920a(17) =179655400a(18) =391244728a(19) =902914600a(20) =2024143000a(21) =4777083880a(22) =10935717688a(23) =26248208680
External references
- oeis: A235279