19847025

Appears in sequences

• Number of (k,m,n)-antichains of multisets with k=3 and m=2.at n=8A084874
• Number of 5Xn 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically.at n=15A208144
• Squares which have one or more occurrences of exactly eight different digits.at n=13A235723
• Odd abundant numbers k for which sigma(k) == 3 (mod 4).at n=18A325311
• Odd numbers k such that sigma(k) > 2*k and A003415(sigma(k)) < k, where A003415 is the arithmetic derivative, and sigma is the sum of divisors function.at n=12A347890