26143

Appears in sequences

• Integers of the form 4n+3 for which Sum_{i=1..u} J(i,4n+3) obtains value zero exactly 7 times, when u ranges from 1 to (4n+3). Here J(i,k) is the Jacobi symbol.at n=34A166057
• Numbers k such that both k and k + 3 are consecutive deficient numbers.at n=6A317049