Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal median nondecreasing horizontally and vertically.
A254893
Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal median nondecreasing horizontally and vertically.
Terms
- a(0) =1267488a(1) =5009638a(2) =23589212a(3) =141957783a(4) =285887828a(5) =758297009a(6) =1890553676a(7) =3588219247a(8) =7194007206a(9) =14018941983a(10) =25650259374a(11) =47390891398a(12) =85725467588a(13) =150529271707a(14) =264769335646a(15) =459746495818a(16) =788665513302
External references
- oeis: A254893