Number of (n+1) X (6+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).
A235276
Number of (n+1) X (6+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) =2800a(1) =3844a(2) =5096a(3) =7936a(4) =11704a(5) =20440a(6) =33464a(7) =64168a(8) =115480a(9) =238024a(10) =463736a(11) =1009096a(12) =2091544a(13) =4737160a(14) =10277624a(15) =23969608a(16) =53719960a(17) =127968904a(18) =293325176a(19) =709379656a(20) =1651106584a(21) =4035596680a(22) =9490235384a(23) =23366392648a(24) =55327897240
External references
- oeis: A235276