90863

Properties

Appears in sequences

• Trajectory of 3 under map n->25n+1 if n odd, n->n/2 if n even.at n=19A037110
• Prime averages of two successive perfect powers (A001597(k) + A001597(k+1))/2.at n=2A075455
• Distinct-digit averages of two successive perfect powers (pp(n) + pp(n+1))/2.at n=32A075456
• Primes from merging of 5 successive digits in decimal expansion of exp(Pi).at n=3A105010
• Number of nX2 nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to more than one of its immediate leftward or upward or right-upward antidiagonal neighbors.at n=4A208577
• T(n,k)=Number of nXk nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to more than one of its immediate leftward or upward or right-upward antidiagonal neighbors.at n=19A208581
• Number of 5 X n nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to more than one of its immediate leftward or upward or right-upward antidiagonal neighbors.at n=1A208585
• Numbers that are midway between the nearest square and the nearest cube.at n=38A233075
• Primes that are exactly halfway between the nearest square and the nearest cube.at n=1A233444
• Prime powers that are equal to the sum of the first k prime powers (not including 1) for some k.at n=30A364797
• Prime numbersat n=8791