170153

Appears in sequences

• Number of double nodes (exactly two nodes on that level) for all Motzkin paths of length n.at n=15A051485
• a(n) is the first term that can be reduced in n steps via repeated interpretation of a(n) as a base b+1 number where b is the largest digit of a(n), such that b is always 7 so that each interpretation is base 8. Terms already fully reduced (i.e., single digits) are excluded.at n=8A141841
• Numbers with sum of digits equaling 17, divisible by 17, and containing the string "17".at n=22A346904