A127238 Diagonal sums of Thue-Morse binomial triangle A127236.

1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 4, 3, 6, 4, 4, 5, 4, 3, 4, 3, 6, 8, 6, 6, 6, 9, 10, 8, 8, 12, 7, 7, 7, 7, 7, 6, 8, 13, 12, 8, 7, 12, 8, 13, 14, 12, 15, 13, 12, 12, 13, 14, 13, 12, 15, 12, 12, 12, 15, 14, 17, 17, 22, 17, 22, 14, 15

Offset: 0

Author

Paul Barry, Jan 10 2007

Keywords

• easy
• nonn

Formula

a(n)=sum{k=0..floor(n/2), A010060(binomial(n-k,k))}