61503

Appears in sequences

• a(n) = 64*n^2 - 1.at n=30A158684
• Numbers k such that tau(k+1) - tau(k) = 5, where tau(k) = the number of divisors of k (A000005).at n=31A228453
• Total number of nodes summed over all self-avoiding planar walks starting at (0,0), ending at (n,0), remaining in the first quadrant and using steps (0,1), (1,0), (1,1), (-1,1), and (1,-1).at n=5A277424
• Integers that are the sum of two consecutive semiprimes, as well as the product of two consecutive semiprimes.at n=15A288955