login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A111539 Row sums of triangle A111536. 1

%I #3 Mar 30 2012 18:36:50

%S 1,2,7,34,211,1564,13291,126430,1326211,15184744,188348659,2515991290,

%T 36018842875,550317892372,8940695112331,153950966471734,

%U 2801321782936819,53720913548093344,1083061044893428675

%N Row sums of triangle A111536.

%o (PARI) {a(n)=if(n<0,0,sum(k=1,n+1,(matrix(n+k,n+k,m,j,if(m==j,1,if(m==j+1,-m+1, -(m-j-1)*polcoeff(log(sum(i=0,m,(i+1)!/1!*x^i)),m-j-1))))^-1)[n+1,k]))}

%Y Cf. A111536.

%K nonn

%O 0,2

%A _Paul D. Hanna_, Aug 06 2005

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 16:23 EDT 2024. Contains 371989 sequences. (Running on oeis4.)