29508

Appears in sequences

• Number of primitive (aperiodic) reversible strings with n beads using a maximum of three different colors.at n=9A056314
• a(1) = 1, a(2) = 2; for n >= 2, a(n+1) = a(n) + sum of the unique prime factors of a(n).at n=38A096460
• Numbers k such that 10^k + 8*R_k - 5 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=13A102944
• Sum of all odd-indexed parts minus the sum of all even-indexed parts of all partitions of n, with the parts written in nondecreasing order.at n=41A194714
• Indices of records in A182134.at n=17A246787
• a(n) is the smallest number m such that np(m) = n, where np(m) is number of primes p such that prime(m) < p < prime(m)^(1 + 1/m).at n=20A246810
• Expansion of Product_{k>=1} 1/(1 + x^k)^p(k), where p(k) = number of partitions of k (A000041).at n=31A304784
• a(n) is the number of subsets of {1,2,...,n} with at least two elements and the difference between successive elements at least 6.at n=39A335184
• Number of nonnegative solutions to (x_1)^2 + (x_2)^2 + ... + (x_8)^2 <= n.at n=24A341403