22038

Appears in sequences

• Numerators of continued fraction convergents to sqrt(425).at n=9A041808
• Number of binary strings of length n with equal numbers of 00010 and 01000 substrings.at n=15A164214
• Number of -2..2 arrays x(0..n-1) of n elements with zero sum, adjacent elements differing by more than one, and elements alternately increasing and decreasing.at n=13A200186
• Number of (n+2)X(4+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 2 5 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 0 2 5 6 or 7.at n=4A252419
• Number of (n+2)X(5+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 2 5 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 0 2 5 6 or 7.at n=3A252420
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 2 5 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 0 2 5 6 or 7.at n=31A252423
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 2 5 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 0 2 5 6 or 7.at n=32A252423
• Expansion of Product_{k>=0} ((1+x^(4*k+1))/(1-x^(4*k+1)))^3.at n=19A261652
• Expansion of (eta(q)eta(q^10)/(eta(q^2)eta(q^5)))^6 in powers of q.at n=22A284629
• Midpoints k of a pair of twin primes such that sigma(k) is also the midpoint of a pair of twin primes.at n=33A349981