Number of (n+1) X 3 0..1 arrays with the permanents of 2 X 2 subblocks nondecreasing rightwards and downwards.
A204717
Number of (n+1) X 3 0..1 arrays with the permanents of 2 X 2 subblocks nondecreasing rightwards and downwards.
Terms
- a(0) =51a(1) =261a(2) =1271a(3) =5821a(4) =26128a(5) =115060a(6) =502546a(7) =2181023a(8) =9435107a(9) =40725864a(10) =175575234a(11) =756334373a(12) =3256622029a(13) =14018388717a(14) =60333239964a(15) =259639675364
External references
- oeis: A204717