A127246 Row sums of a Thue-Morse related triangle.

1, 2, 3, 1, 2, 1, 1, 2, 3, 1, 1, 2, 1, 2, 3, 1, 2, 1, 1, 2, 1, 2, 3, 1, 1, 2, 3, 1, 2, 1, 1, 2, 3, 1, 1, 2, 1, 2, 3, 1, 1, 2, 3, 1, 2, 1, 1, 2, 1, 2, 3, 1, 2, 1, 1, 2, 3, 1, 1, 2, 1, 2, 3, 1, 2, 1, 1, 2, 1, 2, 3, 1, 1, 2, 3, 1, 2, 1, 1, 2, 1, 2, 3, 1, 2, 1, 1

Offset

0,2

Links

Table of n, a(n) for n=0..86.

Formula

a(n) = Sum_{k=0..n} Product_{j=0..n-k-1} A010060(n-j).

Mathematica

a[n_] := Sum[Product[ThueMorse[i], {i, k+1, n}], {k, 0, n}]; Array[a, 100, 0] (* Amiram Eldar, Aug 04 2023 *)

Crossrefs

Row sums of A127247.

Cf. A010060.

Sequence in context: A338263 A322874 A091654 * A106038 A078711 A338850

Adjacent sequences: A127243 A127244 A127245 * A127247 A127248 A127249

Keyword

easy,nonn

Author

Paul Barry, Jan 10 2007

Extensions

More terms from Amiram Eldar, Aug 04 2023

Status

approved