193710249

Appears in sequences

• Numbers k such that k | 9^k + 9.at n=28A015898
• a(n) = (n^n + n)/2.at n=8A117694
• a(n) = n*(n^8+1)/2.at n=9A168116
• a(n) is the total number of runs of ascents over all flattened Catalan words of length n.at n=16A372852