63181

Appears in sequences

• a(n) = (2*n^3 - n^2 - n + 2)/2.at n=40A081441
• Number of fusenes with 26 hexagons, C_(2v) symmetry and containing n carbon atoms.at n=12A123662
• Half the number of nX3 binary arrays with every element equal to exactly one or two of its horizontal and vertical neighbors.at n=8A185829
• Number of partitions of n+4 with largest inscribed rectangle having area <= n.at n=39A218625
• 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=39A273677
• E.g.f.: Product_{k>=1} 1 / (1 - x^k)^(cos(x)/k).at n=8A347896
• Number of integer partitions of n having a part that can be written as a nonnegative linear combination of the other (possibly equal) parts.at n=43A364913
• Numbers k such that A073734(k) is neither squarefree nor a prime power.at n=33A365899