48090

Appears in sequences

• Numbers k having exactly 5 distinct prime factors, the largest of which is greater than or equal to sqrt(k) (i.e., sqrt(k)-rough numbers with exactly 5 distinct prime factors).at n=3A115959
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (0, 0, 1), (0, 1, -1), (1, 0, 1), (1, 1, -1)}.at n=8A150711
• van Heijst's upper bound on the number of squares inscribed by a real algebraic curve in R^2 of degree n, if the number is finite.at n=21A239352
• Number of maximal subsets of {1..n} containing n such that every subset has a different sum.at n=42A325867
• Number of inequivalent leaf colorings of series-reduced planted trees with n leaves using at most 2 colors.at n=8A339646
• Numbers k for which sigma(k - x) + sigma(k + x) = 8*k has at least one nonnegative solution.at n=21A384841