83317

Appears in sequences

• "A sorry sequence".at n=8A058070
• Digital sum of n = sum of palindromes from the smallest prime factor of n to the largest prime factor of n.at n=28A074310
• Least number that is not divisible by 5 and the sum of two positive squares in exactly n ways.at n=5A274466
• Numbers that set a record for occurrences as longest side of a primitive Heronian triangle.at n=35A306626
• a(n) = numerator(Sum_{k=1..n} (2^k-2)/k).at n=12A330718
• Iterates of the Christmas tree pattern map (A367508), where each row is interpreted as a single binary word and converted to decimal.at n=31A368398
• Index of first term of three consecutive n's in A381597.at n=11A381598