2517687

Appears in sequences

• Hyper-Wiener index of a benzenoid consisting of a double-step spiral chain of n hexagons (n >= 2, s = 21; see the Gutman et al. reference).at n=32A193398
• a(n) is the least positive integer that can be expressed as the sum of one or more consecutive nonprime numbers in exactly n ways.at n=21A361473