1822536

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 75.at n=17A031753
• a(n) = 4*n*(1 + 45*n + 620*n^2).at n=8A167191
• Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 1 3 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 0 1 3 6 or 7.at n=11A252191