42246

Appears in sequences

• a(n) = (2*n^3 - n^2 - n + 2)/2.at n=35A081441
• Indices of primes in the sequence defined by A(0) = 47, A(n) = 10*A(n-1) - 33 for n > 0.at n=29A101724
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 833", based on the 5-celled von Neumann neighborhood.at n=34A273677
• Number of ordinary double points of a family of threefolds.at n=16A294604