32047

Appears in sequences

• (Prime(prime(n))^2-1)/24.at n=34A092772
• Integer part of the area of circles with prime radii.at n=25A097427
• Erroneous version of A140763.at n=33A159579
• Semiprimes of form p*q with p < q, such that 2^p - 1 == 0 (mod q).at n=12A179768
• Semiprimes of the form S(n) + T(n) where S(n) and T(n) are the n-th square and the n-th triangular numbers.at n=22A240914
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 621", based on the 5-celled von Neumann neighborhood.at n=29A273268
• Array read by antidiagonals: T(n,m) is the number of dominating sets in the n X m rook complement graph.at n=39A384121
• Array read by antidiagonals: T(n,m) is the number of dominating sets in the n X m rook complement graph.at n=41A384121