A127246 - OEIS

%I #6 Aug 04 2023 04:35:11

%S 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,

%T 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,

%U 1,2,3,1,1,2,3,1,2,1,1,2,1,2,3,1,2,1,1

%N Row sums of a Thue-Morse related triangle.

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

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

%Y Row sums of A127247.

%Y Cf. A010060.

%K easy,nonn

%O 0,2

%A _Paul Barry_, Jan 10 2007

%E More terms from _Amiram Eldar_, Aug 04 2023