55501

Properties

Appears in sequences

• Primes of the form perfect_power(n)+n.at n=33A075781
• Map from binary trees of size n to the set of corresponding trivalent plane trees (tpt) represented as size 2n+1 general trees.at n=31A083930
• Primes of the form f(n) = 9*n^4 - 444*n^3 + 8059*n^2 - 63714*n + 185371 listed by increasing value of n >= 0.at n=3A117225
• Primes containing the string 555.at n=5A167281
• Primes having only {0, 1, 5} as digits.at n=28A199325
• Centered 20-gonal (or icosagonal) primes.at n=18A264845
• Number of nX6 0..1 arrays with every element equal to 2, 3 or 5 king-move adjacent elements, with upper left element zero.at n=8A297874
• a(n) = Sum_{k=0..n} binomial(n,k) * binomial(2*k,n-k).at n=9A385975
• Prime numbersat n=5633