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A191747 Concatenation of row entries of the n X n identity matrices. 1
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, 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, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

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

LINKS

Table of n, a(n) for n=1..91.

MATHEMATICA

Flatten[Table[Array[KroneckerDelta, {n, n}], {n, 1, 6}]] (* Geoffrey Critzer, Dec 11 2011 *)

PROG

(PARI) for(n=1, 9, for(a=1, n, for(b=1, n, print1(a==b", ")))) \\ Charles R Greathouse IV, Jun 29 2011

CROSSREFS

Sequence in context: A284527 A151666 A214284 * A280933 A133081 A285345

Adjacent sequences:  A191744 A191745 A191746 * A191748 A191749 A191750

KEYWORD

nonn,easy

AUTHOR

L. Edson Jeffery, Jun 27 2011

STATUS

approved

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Last modified March 22 16:16 EDT 2019. Contains 321422 sequences. (Running on oeis4.)