72233

Appears in sequences

• Positive integers n such that prime(n+i) is a primitive root modulo prime(n+j) for any distinct i and j among 0, 1, 2, 3.at n=10A243839
• Least start of a run of exactly n consecutive numbers that are norm-abundant in Gaussian integers (A332570).at n=13A332575
• Number of connected graphs with loops (symmetric relations) on n unlabeled vertices with n edges.at n=14A368983