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

Author

Paul Barry, Jan 10 2007

Keywords

• easy
• nonn

Formula

a(n) = Sum_{k=0..n} A010060(binomial(2*k,k)).