71653
domain: N
Appears in sequences
- a(n) = number of distinct prime divisors (taken together) of numbers of the form x^2+x+1 for x<=10^n.at n=4A144850
- Number of nX5 0..1 arrays with diagonals and antidiagonals unimodal and rows nondecreasing.at n=7A223946
- Number of partitions p of n such that mean(p) > multiplicity(min(p)).at n=48A240206