45948

Appears in sequences

• Number of ordered quadruples of integers from [ 1,n ] with no common factors between triples.at n=35A015635
• Number of 4-indecomposable (connected) graphs on n nodes.at n=24A128526
• a(n) is the least m such that A341284(m) = 2*n*prime(m+1) - prime(m).at n=54A342027