248881

Appears in sequences

• Number of cyclic numbers (A001913) <= 10^n.at n=7A086018
• Reduced numerators of the fraction of primes < 10^n that are full reptend primes.at n=6A103362
• Number of nX3 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..3 nX3 array.at n=6A219934
• T(n,k)=Number of nXk 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..3 nXk array.at n=42A219939
• Number of 7Xn 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..3 7Xn array.at n=2A219945
• a(n) = 20*binomial(n,6) + 2*binomial(n,3) + 1.at n=17A341704