30442

Appears in sequences

• a(n) = Sum_{m=1..n} Sum_{k=1..m} prime(k).at n=36A014148
• Coefficients arising in the enumeration of configurations of linear chains.at n=12A038747
• a(n) = number of inequivalent necklaces with beads labeled 1/i (1 <= i <= n) such that the sum of the beads is 1 and the smallest bead is 1/n.at n=13A259633
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 350", based on the 5-celled von Neumann neighborhood.at n=28A287755
• Linear recurrence with signature (1,1,-1,1,1), where the first terms are powers of 2 (1,2,4,8,16).at n=20A294364