61007

Properties

Appears in sequences

• Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 1000-1000-1111-1000 pattern in any orientation.at n=18A147127
• Primes p such that the differences between p and the closest squares surrounding p are primes.at n=29A163848
• Prime numbers ending in James Bond number ''007''.at n=10A193552
• Prime p such that sqrt(p+2) is semiprime (A001358).at n=21A257933
• Number of integers in n-th generation of tree T(3/4) defined in Comments.at n=54A274146
• a(n) = Sum_{k=0..n} floor(sqrt(k))^5.at n=37A363499
• Primes containing the digit string "007" in their decimal representation.at n=15A386240
• Prime numbersat n=6147