Number of (n+2)X(1+2) 0..1 arrays with nondecreasing sum of every three consecutive values in every row and column.
A251187
Number of (n+2)X(1+2) 0..1 arrays with nondecreasing sum of every three consecutive values in every row and column.
Terms
- a(0) =512a(1) =1728a(2) =5832a(3) =19683a(4) =46656a(5) =110592a(6) =262144a(7) =512000a(8) =1000000a(9) =1953125a(10) =3375000a(11) =5832000a(12) =10077696a(13) =16003008a(14) =25412184a(15) =40353607a(16) =60236288a(17) =89915392a(18) =134217728a(19) =191102976a(20) =272097792a(21) =387420489a(22) =531441000a(23) =729000000a(24) =1000000000a(25) =1331000000
External references
- oeis: A251187