32603

Properties

Appears in sequences

• Number of two-rowed partitions of length 4.at n=35A070557
• Beginning with 2 the smallest prime greater than the previous term such that the difference of successive terms is a distinct square.at n=15A084710
• Number of subsets of {1,2,...,n} with relatively prime elements.at n=14A085945
• Value of C in y = x^2+7x+C such that y is prime for all x = 0 to 4.at n=30A097436
• Indices of primes in sequence defined by A(0) = 51, A(n) = 10*A(n-1) + 61 for n > 0.at n=16A101584
• Number of divisors d of n! such that d-1 is prime.at n=22A156190
• Greatest number (in decimal representation) with n nonprime substrings in base-8 representation (substrings with leading zeros are considered to be nonprime).at n=3A217118
• Largest safe prime less than 2^n.at n=12A243916
• a(n) is the largest prime p < 2^n such that p + 2^n is also prime.at n=13A282565
• Number of rooted twice-partitions of n where the composite rooted partition is constant.at n=39A301760
• G.f. satisfies A(x) = exp( Sum_{k>=1} A(2*x^k)^2 * x^k/k ).at n=5A363480
• Number n in the rational base 7/3.at n=50A389934
• Prime numbersat n=3499