A127240 Partial sums of central coefficients of Thue-Morse binomial triangle A127236.

1, 2, 2, 2, 3, 3, 3, 3, 3, 4, 5, 6, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 10, 11, 11, 12, 13, 14, 15, 15, 16, 17, 18, 18, 18, 19, 19, 19, 19, 19, 19, 20, 21, 21, 21, 21, 22, 22, 22, 22, 23, 23, 23

Offset

0,2

Links

Table of n, a(n) for n=0..60.

Formula

a(n)=sum{k=0..n, A010060(binomial(2k,k)).

Crossrefs

Sequence in context: A025790 A030617 A063272 * A097561 A162345 A048689

Adjacent sequences: A127237 A127238 A127239 * A127241 A127242 A127243

Keyword

easy,nonn

Author

Paul Barry, Jan 10 2007

Status

approved