Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of the medians of the diagonal and antidiagonal minus the two sums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A255753
Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of the medians of the diagonal and antidiagonal minus the two sums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =99200a(1) =180619a(2) =197284a(3) =203503a(4) =196744a(5) =237248a(6) =300504a(7) =402972a(8) =543216a(9) =719217a(10) =966484a(11) =1367292a(12) =1914280a(13) =2603820a(14) =3577560a(15) =5163800a(16) =7335400a(17) =10077720a(18) =13956840a(19) =20285960a(20) =28956520a(21) =39909960a(22) =55410600a(23) =80711240a(24) =115377640
External references
- oeis: A255753