1261129

Appears in sequences

• Squares of primes p^2 with the property that nextprime(p) is a substring of p^2.at n=3A052074
• a(n) = n^4 - 2*n^3 + 3*n^2 - 2*n + 1, the Alexander polynomial for reef and granny knots.at n=34A058031
• Squares m = k^2 with the property that nextprime(k) is a substring of m.at n=7A274932