27517

Appears in sequences

• Convolution of natural numbers with Beatty sequence for tau^2 A001950.at n=38A023542
• Number of ways of making change for n cents using coins of sizes 1, 2, 5, 10 cents, when order matters.at n=20A073031
• Semiprimes in A007504 (the sum of first n primes).at n=28A189072
• Numbers k such that 7^k + k^7 - 1 is prime.at n=6A215445
• Smallest number k such that sopf(k)/digsum(k) = prime(n) where sopf(k) is the sum of the distinct primes dividing k and digsum(k) the sum of digits of k.at n=40A241049
• Number of compositions (ordered partitions) of n into squarefree divisors of n.at n=20A284464
• Numbers k such that (14*10^k + 79)/3 is prime.at n=19A295668
• The sum S of the maximum number of consecutive primes starting with 2 such that S <= prime(n)^2.at n=38A346134
• Maximal coefficient of (1 + x) * (1 + x^3) * (1 + x^5) * ... * (1 + x^(2*n-1)).at n=22A350504
• Number of edges in the directed graph for the Reversed Zeckendorf game with starting number n.at n=52A389617