24113

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has period 63.at n=30A020402
• Number of ways to partition n labeled elements into pie slices of different sizes other than one.at n=11A032146
• a(1) = 2; a(n) is the smallest prime > a(n-1) such that a(n) + a(n-1) is a square.at n=22A062064
• a(n) = (4*3^n + (-7)^n)/5.at n=6A083296
• a(1) = 2, a(n)= smallest prime of the form k*a(n-1) - 1 where k itself is a multiple of n.at n=5A085874
• Primes whose decimal representation is a valid number in base 5 and interpreted as such is again a prime.at n=40A090708
• Primes p that remain prime through at least 2 iterations of the function f(p) = p^2 + 4.at n=36A116886
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, 0), (1, -1, 1), (1, 0, 0), (1, 1, -1)}.at n=10A148252
• Numbers k such that k^p-p is prime, where p is product of the digits of k.at n=21A178328
• Primes with eight embedded primes.at n=24A179916
• The Riemann primes of the psi type and index 1.at n=37A197185
• The gaps after these primes are the first n positive even integers, each used exactly once.at n=8A227335
• The gaps after these primes are the first n positive even integers, each used exactly once.at n=9A227335
• Number of compositions of n in which the maximal multiplicity of parts equals 5.at n=13A243122
• Primes p such that p - 2^2, p - 4^2 and p - 6^2 are all positive primes.at n=36A246873
• Primes p such that p - m^2, m = 2, 4, 6, 8, are all (positive) primes.at n=18A246874
• Rocket sequence 50: a(0)=50, a(n)=A073846(a(n-1)).at n=33A262149
• a(n) = 384*n^3 - 1184*n^2 + 1228*n - 427.at n=5A272131
• Where records of A309036 occur.at n=11A309056
• Primes p such that (p+nextprime(p))/6 is prime and 6*p is the sum of two consecutive primes.at n=26A339775