71597

Properties

Appears in sequences

• 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 18.at n=27A031606
• Primes p such that q-p = 36, where q is the next prime after p.at n=30A134117
• Number of length n+4 0..2 arrays with no consecutive five elements summing to more than 2*2.at n=8A241930
• Indices of the start of 10 successive distinct digits in the decimal expansion of Pi.at n=30A258157
• Primes of the form 25*n^2 + 25*n + 47.at n=37A281437
• Primes having square prime gaps to both neighbor primes.at n=15A353088
• a(n) is the number of paths with length 3*n that begin at (0,0), end at (0,0), and do not reach (0,0) at any point in between while 0 <= y <= x at every step, where a path is a sequence of steps in the form (1,1), (1,-1), and (-2,0).at n=6A364439
• Prime numbersat n=7091