399960

Appears in sequences

• Ninth column (m=8) of convolution triangle A059594(n,m).at n=10A059597
• Number of permutations of length n which avoid the patterns 1342, 3421, 4312.at n=12A116838
• Number of ways to arrange 3 indistinguishable points on an n X n X n triangular grid so that no three points are collinear at any angle.at n=16A194131
• Positive integers that are square roots of products a*(a+d)*(a+2*d) with coprime a > 0, d >= 0.at n=30A284876
• Integers whose number of repdigit divisors sets a new record.at n=16A340548
• a(n) is the smallest number that has exactly n repdigit divisors.at n=23A355699