151060

Appears in sequences

• a(n) = least positive k such that k, k+1, k+2, ..., k+n-1 is a stapled interval of length n, or 0 if no such sequence exists.at n=30A090318
• Icosagonal numbers divisible by 20.at n=26A117798
• Starting points of stapled intervals.at n=16A130173