24263

Appears in sequences

• Number of partitions of n into parts not of the form 13k, 13k+6 or 13k-6. Also number of partitions with at most 5 parts of size 1 and differences between parts at distance 5 are greater than 1.at n=43A035954
• Smallest nonnegative integer k such that k^2 + 1 has exactly n distinct prime factors.at n=7A180278
• Number of (w,x,y,z) with all terms in {0,...,n} and w=max{w,x,y,z}-min{w,x,y,z}; i.e., the range of (w,x,y,z) is its first term.at n=23A212744
• Numbers n such that the Phi_n(2) is the product of exactly two primes and is divisible by 2n+1.at n=28A250203