44977

Appears in sequences

• Strong pseudoprimes to base 79.at n=27A020305
• Positive numbers y such that y^2 is of the form x^2+(x+103)^2 with integer x.at n=12A157120
• a(n) = smallest number k such that three consecutive prime numbers prime(n), prime(n+1) and prime(n+2) are divisors of k, k+1 and k+2 respectively.at n=12A180095
• Quartan semiprimes: semiprimes of the form x^4 + y^4, x>0, y>0.at n=28A182277
• Number of n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having a sum of two, with rows and columns of the latter in lexicographically nondecreasing order.at n=12A227099