290305
domain: N
Appears in sequences
- Sum of squares of the first n primes.at n=37A024450
- Consider the line segment in R^n from the origin to the point v=(2,3,5,7,11,...) with prime coordinates; let d = squared distance to this line from the closest point of Z^n (excluding the endpoints). Sequence gives d times v.v.at n=37A059804
- Number of hybrid 7-ary trees with n internal nodes.at n=5A245050
- Numerator of the contraharmonic mean of the first n primes.at n=37A296199
- Antidiagonal sums of A380747.at n=11A380748