47017

Properties

Appears in sequences

• Number of nodes in regular n-gon with all diagonals drawn.at n=35A007569
• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 22.at n=13A031610
• Number of ways to partition n labeled elements into pie slices of at least 2 elements allowing the pie to be turned over.at n=10A032265
• Primes p that remain prime through at least 3 iterations of function f(p)=p^2+4.at n=3A116887
• Prime numbers with gaps larger than 18 towards both neighboring primes.at n=34A163111
• Honaker primes of the form p = 2*k-1 with sum-of-digits(p) = sum-of-digits(k).at n=28A176111
• Smallest of five consecutive primes whose sum is a square.at n=13A206281
• Primes of the form 2*n^2 + 78*n + 37.at n=22A217501
• n-th prime that begins with prime(n).at n=14A229206
• Number of (n+1) X (1+1) 0..1 arrays with no 2 X 2 subblock having the minimum of its diagonal elements less than the absolute difference of its antidiagonal elements.at n=9A251194
• Prime numbersat n=4852