74897

Properties

Appears in sequences

• Prime Friedman numbers.at n=46A112419
• a(n) = a(n-1) + a(n-2) + 2*a(n-3) with a(0)=2, a(1)=1, a(2)=5.at n=16A226308
• Irregular array read by rows in which row n lists the positive integers k in ascending order for which 1 is in a primitive cycle of n positive integers under iteration by the Collatz-like 3x+k function.at n=34A226618
• a(n) = (2*8^(n+1) - 9) / 7.at n=5A233328
• Primes whose base-8 representation also is the base-3 representation of a prime.at n=19A235471
• Primes of the form R = 2^k-1+(2^k-2)/(2^(p-k)-1), where p are Mersenne prime exponents listed in A000043.at n=7A242025
• Primes that can be generated by the concatenation in base 8, in descending order, of two consecutive integers read in base 10.at n=24A287311
• Primes p such that Euler(p, 1) is an integer multiple of Bernoulli(p + 1, 1).at n=25A341759
• Prime numbersat n=7387