42709

Properties

Appears in sequences

• Primes whose 10's complement is a triangular number.at n=22A082992
• The number of distinct positions on an infinite chessboard reachable by the (2,3)-leaper (or zebra) in at most n moves.at n=36A297740
• Index of first occurrence of n in A324920.at n=13A324921
• Primes p such that p^8 - 1 has 384 divisors.at n=7A342064
• Primes p such that, if q is the next prime, p + q^2 is a prime times a power of 10.at n=38A352837
• For n >= 2, let b(n) = 1 if A379899(n) is 3 mod 4, 0 if A379899(n) is 1 mod 4; form the RUNS transform of {b(n), n >= 2}.at n=10A379783
• Prime numbersat n=4466