195759

Appears in sequences

• a(n) is the smallest composite k such that Sum_{composites j = 4, ..., k} 1/j exceeds n.at n=8A076751
• Number of strings of numbers x(i=1..n) in 0..3 with sum i^4*x(i) equal to n^4*3.at n=19A184342
• Number of unlabeled, connected graphs on n vertices which have no induced subgraph isomorphic to an R-graph.at n=8A267653
• a(n) is the smallest composite k such that Sum_{composites j = 4, ..., k} 1/j exceeds n/2.at n=17A331930