621757
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Number of nX2 0..4 arrays with rows and columns lexicographically nondecreasing and no element equal to the number of horizontal and vertical neighbors equal to itself.at n=7A201723
- T(n,k)=Number of nXk 0..4 arrays with rows and columns lexicographically nondecreasing and no element equal to the number of horizontal and vertical neighbors equal to itself.at n=37A201729
- Prime numbersat n=50744