Number of (n+2)X(7+2) 0..1 arrays with every 2X2 and 3X3 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally and vertically.
A253366
Number of (n+2)X(7+2) 0..1 arrays with every 2X2 and 3X3 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally and vertically.
Terms
- a(0) =6544a(1) =10496a(2) =63496a(3) =112864a(4) =438504a(5) =1255456a(6) =3424264a(7) =12086016a(8) =30463848a(9) =105411360a(10) =297371496a(11) =895963200a(12) =2923064968a(13) =7866453088a(14) =27463800200a(15) =72611337216a(16) =246664512040a(17) =686842721696
External references
- oeis: A253366