29333

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has period 77.at n=34A020416
• Concatenation of prime p and nextprime(p) is prime -> cycles of 2 steps possible.at n=10A036339
• Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 21.at n=29A051962
• Number of invertible Steinhaus matrices of order n.at n=14A065763
• Primes of the form floor(n^e).at n=8A074222
• Primes containing the string 333.at n=14A166581
• Primes with exactly three 3's.at n=27A178552
• Primes having primitive roots 2, 3, 5, 7, 11, and 13.at n=25A241047
• Primes having only {2, 3, 9} as digits.at n=37A260128
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1 or 2 horizontally or antidiagonally adjacent elements, with upper left element zero.at n=46A301841
• Number of 2Xn 0..1 arrays with every element equal to 0, 1 or 2 horizontally or antidiagonally adjacent elements, with upper left element zero.at n=8A301842
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.at n=46A302069
• Expansion of Product_{k>=1} 1/((1 - x^k)*(1 - x^(4*k))).at n=34A318027
• Prime numbersat n=3187