129530

Appears in sequences

• Engel expansion of 1/gamma, (gamma is the Euler-Mascheroni constant A001620) = 1.73245.at n=13A059191
• Coefficient of x^2 in polynomial whose zeros are 5 consecutive primes starting with the n-th prime.at n=6A125270
• Number of (n+2) X (2+2) 0..3 arrays with every 3 X 3 subblock row, column, diagonal and antidiagonal sum not equal to 2 3 4 6 or 7.at n=7A252263
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 2 3 4 6 or 7.at n=37A252269