52189

Properties

Appears in sequences

• Least inverse of A001390, or 0 if no inverse exists.at n=27A020638
• Row sums of triangle A049327.at n=5A049351
• Primes A080478(n)^2 + A080478(n+1)^2.at n=29A139361
• Primes p such that 12*p^3+-1 are twin primes.at n=27A158297
• Number of ways to reciprocally link elements of an nX5 array either to themselves or to exactly two horizontal, diagonal or antidiagonal neighbors.at n=3A220722
• T(n,k)=Number of ways to reciprocally link elements of an nXk array either to themselves or to exactly two horizontal, diagonal or antidiagonal neighbors.at n=31A220725
• Number of ways to reciprocally link elements of an 4Xn array either to themselves or to exactly two horizontal, diagonal or antidiagonal neighbors.at n=4A220728
• Primes whose hexadecimal representation contains only consonants.at n=26A238090
• Prime numbersat n=5337