A027211 a(n) = Sum_{k=0..n} (k+1) * A026725(n, k).

1, 3, 8, 22, 53, 136, 312, 768, 1712, 4101, 8971, 21082, 45507, 105435, 225347, 516424, 1095353, 2488480, 5246176, 11834584, 24826412, 55677436, 116321132, 259585768, 540454158, 1201026646, 2493149402, 5520322840, 11430160964

Offset: 0

Author

Clark Kimberling

Keywords

• nonn

Programs

Maple

A027211 := proc(n)
    add( (k+1)*A026725(n,k),k=0..n) ;
end proc: # R. J. Mathar, Oct 21 2019

Extensions

Name corrected by R. J. Mathar, Oct 21 2019