login
a(n) = a(n-1) + 2^(A007494(n-1)).
5

%I #10 Jun 24 2022 23:37:28

%S 1,5,13,45,109,365,877,2925,7021,23405,56173,187245,449389,1497965,

%T 3595117,11983725,28760941,95869805,230087533,766958445,1840700269,

%U 6135667565,14725602157,49085340525,117804817261,392682724205

%N a(n) = a(n-1) + 2^(A007494(n-1)).

%F Empirical g.f.: x*(4*x+1) / ((x-1)*(8*x^2-1)). - _Colin Barker_, Sep 01 2013

%Y Cf. A099974, A112627, A080355, A080567, A099969, A099970, A099971.

%Y Partial sums of A094015.

%K nonn

%O 1,2

%A _Artur Jasinski_, Jan 27 2006

%E Edited with better definition and offset corrected by _Omar E. Pol_, Jan 08 2009