43909

Appears in sequences

• Total number of palindromic primes in base 2 below 2^n.at n=36A117772
• Total number of palindromic primes in base 2 below 2^n.at n=37A117772
• Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,0,1,1,1 for x=0,1,2,3,4.at n=4A197427
• Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,0,1,1,1 for x=0,1,2,3,4.at n=3A197428
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,0,1,1,1 for x=0,1,2,3,4.at n=31A197431
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,0,1,1,1 for x=0,1,2,3,4.at n=32A197431
• Cumulative sums of the first ceiling(n/2)+1 elements of rows 0 to n in Pascal's triangle.at n=15A350851