143551

Properties

Appears in sequences

• Sixth term of weak prime septet: p(m-4)-p(m-5) < p(m-3)-p(m-4) < p(m-2)-p(m-3) < p(m-1)-p(m-2) < p(m)-p(m-1) < p(m+1)-p(m).at n=6A054839
• a(n) = sum of n-th row of the triangle formed by replacing each m in Pascal's triangle with the m-th prime.at n=14A074663
• Least k such that 10^n + k is a Sophie Germain prime and the lesser of a twin prime pair.at n=38A118580
• Expansion of -(x*sqrt(-4*x^2-4*x+1)-2*x^2-3*x) / ((x+1)*sqrt(-4*x^2-4*x+1)+ 4*x^3+8*x^2+3*x-1).at n=9A240688
• Number of sets of nonempty words over binary alphabet with a total of n letters of which 2 are the first letter.at n=29A360650
• Prime numbersat n=13307