Number of (n+1) X (4+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).
A234677
Number of (n+1) X (4+1) 0..5 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) =4568a(1) =9108a(2) =17312a(3) =41832a(4) =93680a(5) =254784a(6) =639440a(7) =1878960a(8) =5098448a(9) =15829008a(10) =45291152a(11) =146459472a(12) =434549840a(13) =1448936784a(14) =4409332880a(15) =15047298000a(16) =46627861328a(17) =161947291728a(18) =508508258192
External references
- oeis: A234677