27589

Appears in sequences

• Number of partitions of primes into mutual coprimes > 1.at n=37A086191
• Expansion of x*(1-42*x+650*x^2-4477*x^3+12896*x^4-11417*x^5+2675*x^6+110*x^7) / ( 1-43*x+691*x^2-5146*x^3+17903*x^4-25954*x^5+11826*x^6-876*x^7+x^8 ).at n=5A122603
• a(n) is the number of positive integers k such that k is equal to the number of 1's in the digits of the base-n expansion of all positive integers <= k.at n=28A165617
• Number of 1-dimensional sandpiles with n grains.at n=23A186085
• Number T(n,k) of permutations p of [n] such that the up-down signature of p has nonnegative partial sums with a maximal value of k; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=48A262125
• Number of permutations p of [n] such that the up-down signature of p has nonnegative partial sums with a maximal value of three.at n=6A320977
• Number of partitions of n into 9 or more parts.at n=31A347545