93000

Appears in sequences

• Triangle of coefficients of polynomials (rising powers) useful for convolutions of A000032(n+1), n >= 0 (Lucas numbers).at n=15A061188
• Number of (w,x,y,z) with all terms in {1,...,n} and w<2x and y<=2z.at n=20A212507
• Composite numbers m such that Sum_{i=1..k} (p_i/(p_i+1)) - Product_{i=1..k} (p_i/(p_i-1)) is an integer, where p_i are the k prime factors of m (with multiplicity).at n=25A230111
• If n^2 has an even number of digits, write n after the left half of the digits of n^2 and before the right half, otherwise if n^2 has 2t+1 digits, write n after the first t digits of n^2 and before the last t+1 digits.at n=29A274620
• Number of ways to place 7 points on an n X n square grid so that no more than 2 points are on a vertical or horizontal straight line.at n=4A279441
• Triangle read by rows: T(n, k) is the number of ways to place k points on an n X n square grid so that no more than 2 points are on a vertical or horizontal straight line.at n=30A279445
• Number of minimal total dominating sets in the n-path graph.at n=42A302655