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A191747 Concatenation of row entries of the n X n identity matrices. 1

%I

%S 1,1,0,0,1,1,0,0,0,1,0,0,0,1,1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1,1,0,0,0,

%T 0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,1,0,0,0,0,0,0,1,0,0,0,0,0,

%U 0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1

%N Concatenation of row entries of the n X n identity matrices.

%C The sequence of all n for which a(n)=1 is A191748 = {1,2,5,6,10,14,...}.

%t Flatten[Table[Array[KroneckerDelta, {n, n}], {n, 1, 6}]] (* _Geoffrey Critzer_, Dec 11 2011 *)

%o (PARI) for(n=1,9,for(a=1,n,for(b=1,n,print1(a==b", ")))) \\ _Charles R Greathouse IV_, Jun 29 2011

%K nonn,easy

%O 1,1

%A _L. Edson Jeffery_, Jun 27 2011

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Last modified August 11 17:27 EDT 2020. Contains 336428 sequences. (Running on oeis4.)