272059

Properties

Appears in sequences

• a(n) is the least number such that bigomega(a(n)) = bigomega(R(a(n)))/n, where R(n) is the digit reverse of n and bigomega(n) is the number of prime divisors of n counted with multiplicity.at n=15A284496
• Number of tilings of an 8 X n rectangle using 2*n copies of the disconnected shape [oo__oo].at n=23A323352
• Prime numbersat n=23811