29276
domain: N
Appears in sequences
- a(n) = n*(5*n^2 - 2)/3.at n=26A004466
- n*10^2-1, n*10^2-3, n*10^2-7 and n*10^2-9 are all prime.at n=35A064976
- Number of (n+2)X(n+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 1 3 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 0 1 3 6 or 7.at n=4A252149
- Number of (n+2)X(5+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 1 3 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 0 1 3 6 or 7.at n=4A252154