|
%I #7 Jan 22 2015 08:41:20
%S 0,5,26,465,16276,924775,77244126,8900960285,1352721569576,
%T 262123002742995,63076525023488626,18453965152519328905,
%U 6450731539245926745276,2655232635637124377694015,1271172942026336302668331526
%N a(n)=(-1)^(n+1)*(5/4)*(25^n-1)*B(2n) where B(k) denotes the k-th Bernoulli number.
%t Table[Abs[5/4*(25^n-1)*BernoulliB[2n]],{n,0,20}] (* _Harvey P. Dale_, Jan 22 2015 *)
%o (PARI) a(n)=(-1)^(n+1)*(5/4)*(25^n-1)*bernfrac(2*n)
%K nonn
%O 0,2
%A _Benoit Cloitre_, Dec 13 2003
|
