30622

Appears in sequences

• An approximation to population of x^2 + y^2 <= 2^n.at n=17A000692
• Greatest number having exactly n representations as ab+ac+bc with 1 <= a <= b <= c.at n=20A094380
• Main diagonal of square arrays A114881 and A249741.at n=29A249743
• Number of (n+2) X (6+2) 0..3 arrays with every consecutive three elements in every row and diagonal having exactly two distinct values, and in every column and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=20A252717
• Capped binary boundary codes for holeless strictly non-overlapping polyhexes (all orientations and rotations included).at n=31A258002
• Capped binary boundary codes for fusenes (all orientations and rotations included).at n=31A258012
• Triangle read by rows: number of topologies of n nested circles intersecting at most as binaries, according to number of factors.at n=57A281348
• a(n) is the least number k such that the sum of n^2 consecutive primes starting at prime(k) is a square.at n=48A357813