142883

Appears in sequences

• Numbers k that divide both Fibonacci(k+1) and Lucas(k) + 1.at n=25A094402
• Odd numbers k that divide Fibonacci(k) - 1 but not Fibonacci(k-1).at n=27A094409
• a(n) = (n-1)*(n+2)*(n^2 + n + 2)/4.at n=26A168566
• Composite numbers n such that b^(n+1) == 1 (mod n) for every b coprime to n.at n=27A208728
• Heinz numbers of strict integer partitions with relatively prime parts in which no two parts are relatively prime.at n=14A318716
• Heinz numbers of integer partitions with no two distinct parts relatively prime, but with no divisor in common to all of the parts.at n=31A328679
• Heinz numbers of integer partitions with no two (not necessarily distinct) parts relatively prime, but with no divisor in common to all of the parts.at n=13A328868