18221996

Appears in sequences

• Number of (n+1)X(2+1) 0..4 arrays with each row and column divisible by 9, read as a base-5 number with top and left being the most significant digits.at n=6A263376
• Number of (n+1)X(7+1) 0..4 arrays with each row and column divisible by 9, read as a base-5 number with top and left being the most significant digits.at n=1A263381
• T(n,k)=Number of (n+1)X(k+1) 0..4 arrays with each row and column divisible by 9, read as a base-5 number with top and left being the most significant digits.at n=29A263382