0,2

(1/(2*pi))*int(exp(i*(n+1)*t)((t-pi)/i)^3,t,0,2*pi))=(A129202(n)*pi^2-A129203(n))/A129196(n), i=sqrt(-1).

a(n)=A129196(n)/(n+1);

Sequence in context: A055981 A120260 A002619 this_sequence A127905 A009224 A065619

Adjacent sequences: A129199 A129200 A129201 this_sequence A129203 A129204 A129205

easy,nonn

Paul Barry (pbarry(AT)wit.ie), Apr 03 2007