72506

Appears in sequences

• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only either two adjacent vertically or two adjacent horizontally.at n=10A145775
• Minimal exponents m such that the fractional part of (Pi-2)^m obtains a minimum (when starting with m=1).at n=15A153717
• Numbers k such that the fractional part of (Pi-2)^k is less than 1/k.at n=8A153718