65688

Appears in sequences

• Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k valleys.at n=38A101282
• Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n having k DL's (n>=0; 0<=k<=floor(n/2)).at n=32A128731
• Numbers n such that prime(n) contains a substring of all the prime digits in order, i.e., "2357".at n=29A295708
• Number of subsets of {1..n} whose elements have the same number of divisors.at n=48A339514
• Expansion of (1+x-2*x^2-2*x^3) / (1-6*x^2-4*x^3+2*x^4).at n=12A384633