51913

Properties

Appears in sequences

• Fibonacci sequence beginning 5, 17.at n=18A022141
• Largest prime factor of n! + 2^n - 1.at n=8A127987
• Number of partitions of n with difference 8 between the number of odd parts and the number of even parts, both counted without multiplicity.at n=44A242699
• a(n) = 4*n^3 - 18*n^2 + 27*n - 12.at n=24A271828
• Primes that can be generated by the concatenation in base 2, in descending order, of two consecutive integers read in base 10.at n=32A287019
• Primes that can be generated by the concatenation in base 4, in descending order, of two consecutive integers read in base 10.at n=25A287303
• a(1) = 0 and a(n+1) > a(n) is the smallest integer such that a(n+1)^2-a(n)^2 is triangular.at n=26A358416
• Prime numbersat n=5312