49476

Appears in sequences

• Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,27.at n=20A064250
• Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,45.at n=19A064259
• Least area of primitive Pythagorean triangle whose legs differ by A058529(n).at n=27A094143
• Number of n X 2 arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 n X 2 array.at n=27A220147
• Triangular array: Number of partitions of the vertex set of a forest of two trees on n vertices into k nonempty independent sets.at n=60A227341
• Number of symmetric primitive Lucas strings of length n.at n=30A250112
• Triangle read by rows, coefficients of a family of orthogonal polynomials, T(n, k) for 0 <= k <= n.at n=41A321966
• Triangle T(n, k) read by rows, n > 0 and 0 < k <= 3^(n-1): T(n, k) = A321768(n, k) * A321769(n, k) / 2.at n=25A322170
• Numbers k such that omega(k) = 5 and the largest prime factor of k equals the sum of its remaining distinct prime factors, where omega(k) = A001221(k).at n=29A383729