42172

Appears in sequences

• Coefficients of derivatives of MacMahon polynomials (A060187): p(x,n)=2^n*(1 - x)^(1 + n)*LerchPhi[x, -n, 1/2]; p'(x,n)=(d/dx)p{x,n).at n=18A142707
• The average of prime factors of n and n+1 is the same.at n=12A227755