58082

Appears in sequences

• Number of hill-free Dyck paths of semilength n+3 and having length of first descent equal to 1 (a hill in a Dyck path is a peak at level 1).at n=9A001558
• Denominators of the first differences of 1/(n^2 + 1).at n=15A033466
• Numbers k such that (5*3^k - 7)/2 is prime.at n=21A059622
• Sum of generalized tribonacci numbers (A001644) and reflected generalized tribonacci numbers (A073145).at n=18A075092
• Prime(prime(n))^2+1.at n=15A092774
• Triangle read by rows: T(n,k) is the number of hill-free Dyck paths of semilength n and having length of first descent equal to k (1<=k<=n; n>=1). A hill in a Dyck path is a peak at level 1.at n=66A118972
• Sequence that except for initial 1 is the complement of its inverse Euler transform.at n=17A120538
• Number of partitions of n^2 into exactly n nonzero squares.at n=23A319435
• Integers of the form k^2 + 1, where k >= 1, that are the product of two other integers of the form k^2 + 1, where k >= 1.at n=20A372496