61092

Appears in sequences

• Triangle of Schroeder paths counted by number of diagonal steps not preceded by an east step.at n=47A108916
• G.f. satisfies A(x) = 1 + x + x^2*A(x)^4.at n=11A137954
• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 0), (0, 1), (1, 0)}.at n=10A151279
• The smallest magic constant of an n X n magic square with distinct prime entries.at n=23A164843
• Number of length n+2 0..3 arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero.at n=6A250315
• T(n,k)=Number of length n+2 0..k arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero.at n=42A250320
• Number of length 7+2 0..n arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero.at n=2A250326
• G.f. satisfies: A(x - A(x)^2) = x + 2*A(x)^2.at n=5A276360
• The records for distance squared for step lengths between adjacent primes in A330979, the visited primes for a walk stepping to the closest unvisited prime on the Ulam Spiral.at n=28A331027
• Expansion of (1 - x)^2 * Sum_{j>=0} (x^j / (1 - Sum_{k=1..j} x^k)).at n=22A369116