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A119970 Binomial transform of A119969. 1
1, 1, 2, 5, 11, 21, 37, 67, 140, 341, 881, 2223, 5292, 11805, 24767, 49203, 93312, 170801, 307550, 564341, 1114531, 2493085, 6336892, 17433725, 49041291, 135933981, 364835251, 942294187, 2340123130, 5595955421, 12914346267 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Partial sums of A119971.

Appears to obey a 5-term hypergeometric recurrence with 4-degree polynomials. - R. J. Mathar, Nov 05 2012

LINKS

Table of n, a(n) for n=0..30.

FORMULA

G.f.: sum{k>=0, (x^2/(1-x)^3)^(2^k-1)}/(1-x); a(n)=sum{k=0..n, C(n,k)*A119969(k)}.

CROSSREFS

Sequence in context: A183929 A003522 A112805 * A326509 A082775 A023548

Adjacent sequences:  A119967 A119968 A119969 * A119971 A119972 A119973

KEYWORD

easy,nonn

AUTHOR

Paul Barry, Jun 01 2006

STATUS

approved

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Last modified April 23 06:38 EDT 2021. Contains 343201 sequences. (Running on oeis4.)