53194

Appears in sequences

• Expansion of 1/((1+x)*(sqrt(1-4*x^2)-x)).at n=15A116391
• Number of (n+2) X (3+2) 0..3 arrays with every 3 X 3 subblock row and column sum equal to 0 1 3 6 or 7 and every 3 X 3 diagonal and antidiagonal sum not equal to 0 1 3 6 or 7.at n=8A252187
• Indices of primes in tetranacci sequence A000078.at n=12A303264