268435402
domain: N
Appears in sequences
- Let r(n) be the real positive root of Sum_{k=1..n} x^k = 1, then a(n) = round(1/(r(n) - 1/2)).at n=25A079460
- Row sums of triangle A132731.at n=27A132732
- Row sums of triangle A132823.at n=28A132824
- 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 457", based on the 5-celled von Neumann neighborhood.at n=27A288399
- Number of ways to select 3 or more collinear points from a 4 X n grid.at n=25A355552