28631

Properties

Appears in sequences

• Number of partitions of n in which the least part is even.at n=50A026805
• Numbers k such that (18*10^(k-1) - 81)/9 is a plateau prime.at n=9A082703
• Primes p such that their cubes are pandigital.at n=32A124629
• G.f.: x*(1+x+x^2)*(1+6*x+8*x^2+4*x^3-x^4)/((1+x)^2*(1-x)^4).at n=24A147691
• Somos's sequence {a(6,n)} defined in comment in A018896: a(0)=a(1)= ... = a(13) = 1; for n>=14, a(n) = (a(n-1)*a(n-13) + a(n-7)^2)/a(n-14).at n=34A271831
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 569", based on the 5-celled von Neumann neighborhood.at n=17A283067
• a(n) is the least prime p such that p+prime(n) has exactly n prime factors, counted with multiplicity.at n=12A332860
• Lexicographically earliest infinite sequence of distinct primes such that, for n > 0, 2n | (a(n+1) - a(n)) and, for n > 0, b(n+1) > b(n) where b(n) = (a(n+1) - a(n)) / 2n.at n=25A350392
• Prime numbersat n=3118