65018

Appears in sequences

• The floor[n^(3/4)]-perfect numbers, where f-perfect numbers for an arithmetical function f is defined in A066218.at n=22A066363
• Numbers N such that concatenation of N, N, and x generates a prime for x=1 and x=3 and x=7 and x=9.at n=13A210515
• Number of 2 X n 0..1 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors.at n=12A232048
• a(n) = 2*A000447(n).at n=29A259110
• Number of positive subset sums of strict integer partitions of n.at n=45A284640