50938

Appears in sequences

• Numbers having four 7's in base 9.at n=13A043484
• a(n) = a(1) + a(2) + ... + a(n-1) - a(m) for n >= 4, where m = 2*n - 2 - 2^(p+1) and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = a(2) = 1 and a(3) = 4.at n=18A049899
• Number of separable partitions of n in which the number of distinct (repeatable) parts is > 5.at n=47A325720
• Number of unlabeled connected loopless multigraphs with n edges rooted at one oriented edge.at n=8A339037