202130

Appears in sequences

• Smallest number having exactly n representations as sum of two squares of distinct primes.at n=5A088919
• Least number having n orderless representations as p^2 + q^2, where p and q are primes.at n=4A214511
• First occurrence of n in A225099, or -1 if n does not appear in A225099.at n=6A225100
• Terms k of A378738 for which A378664(k) obtains novel values.at n=17A378741