45061

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of function f(x) = 5x + 2.at n=37A023283
• a(n) = (n-2) * 2^(n-1) + 5.at n=13A098821
• Numbers n such that the numbers of divisors of n,n+1,n+2 and n+3 are k,2k,4k,8k respectively for some k.at n=19A100364
• a(n) is the least prime not already used such that the frequencies of the decimal digits in the first n terms are almost equal, i.e., for any two digits, their numbers of occurrences differ by no more than 1.at n=52A110457
• Least p=prime(k) for which A118123(k)=n.at n=40A117877
• 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), (0, 1, -1), (0, 1, 1), (1, 0, 1)}.at n=9A150099
• Number of n X 4 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 1 0 vertically.at n=14A207107
• Primes that are sum of both three and five consecutive primes.at n=38A211170
• Numbers p such that p, 2p-1, 3p-2, 4p-3 are primes.at n=16A336059
• Value of prime number D for incrementally largest values of minimal x satisfying the equation x^2 - D*y^2 = 3.at n=29A336794
• Value of prime number D for incrementally largest values of minimal y satisfying the equation x^2 - D*y^2 = 3.at n=28A336796
• Value of prime number D for incrementally largest values of minimal x satisfying the equation x^2 - D*y^2 = 5.at n=30A341079
• Value of prime number D for incrementally largest values of minimal y satisfying the equation x^2-D*y^2=5.at n=27A341081
• a(n) = Sum_{k=0..floor(3*n/8)} (k+1) * binomial(k,3*n-8*k).at n=40A392312
• Prime numbersat n=4679