38891

Properties

Appears in sequences

• a(n) = prime(2^n + 1).at n=12A051439
• Prime number spiral (clockwise, Southeast spoke).at n=32A054564
• 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=27A212744
• Primes p such that 2*p + 59 is a square.at n=39A269789
• 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 453", based on the 5-celled von Neumann neighborhood.at n=30A282302
• Decreasing partition array based on the tails of the Champernowne constant (A033307); see Comments.at n=15A389575
• Prime numbersat n=4097