20635

Appears in sequences

• a(n) = prime(2*n^2) - 2*n^2.at n=35A141086
• Number of (w,x,y) with all terms in {0,...,n} and w != max(|w-x|,|x-y|,|y-w|).at n=27A213498
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 974", based on the 5-celled von Neumann neighborhood.at n=34A273853
• Numbers k such that 4 is the smallest decimal digit of k^3.at n=33A291643
• Expansion of Sum_{k>=0} x^k * Product_{j=1..k} (1 + j*x^j).at n=27A306730
• Number of locally disjoint rooted trees with n nodes, meaning no branch overlaps any other (unequal) branch of the same root.at n=13A316473