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A113835 a(n) = a(n-1) + 2^(A007494(n-1)). 5
1, 5, 13, 45, 109, 365, 877, 2925, 7021, 23405, 56173, 187245, 449389, 1497965, 3595117, 11983725, 28760941, 95869805, 230087533, 766958445, 1840700269, 6135667565, 14725602157, 49085340525, 117804817261, 392682724205 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
FORMULA
Empirical g.f.: x*(4*x+1) / ((x-1)*(8*x^2-1)). - Colin Barker, Sep 01 2013
CROSSREFS
Partial sums of A094015.
Sequence in context: A115785 A218926 A360798 * A006349 A322203 A052899
KEYWORD
nonn
AUTHOR
Artur Jasinski, Jan 27 2006
EXTENSIONS
Edited with better definition and offset corrected by Omar E. Pol, Jan 08 2009
STATUS
approved

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Last modified March 1 18:30 EST 2024. Contains 370443 sequences. (Running on oeis4.)