521009
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Number of (n+1)X(2+1) 0..2 arrays with every 2X2 subblock sum nondecreasing horizontally, vertically and antidiagonally ne-to-sw.at n=4A253369
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock sum nondecreasing horizontally, vertically and antidiagonally ne-to-sw.at n=19A253375
- Number of (5+1)X(n+1) 0..2 arrays with every 2X2 subblock sum nondecreasing horizontally, vertically and antidiagonally ne-to-sw.at n=1A253379
- Prime numbersat n=43135