61035157

Properties

Appears in sequences

• a(n) = (5^n + 3)/4.at n=12A047850
• Primes of the form (5^k-1)/4 or (5^k+3)/4.at n=8A088554
• a(n) = (Sum_{i=0..n} 5^i) + 1 - (Sum_{i=0..n} 5^i) mod 2.at n=11A102239
• Prime numbersat n=3620013