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A191747
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Concatenation of row entries of the n X n identity matrices.
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2
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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
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OFFSET
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1,1
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COMMENTS
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The sequence of all n for which a(n)=1 is A191748 = {1,2,5,6,10,14,...}.
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LINKS
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Table of n, a(n) for n=1..91.
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MATHEMATICA
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Flatten[Table[Array[KroneckerDelta, {n, n}], {n, 1, 6}]] (* Geoffrey Critzer, Dec 11 2011 *)
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PROG
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(PARI) for(n=1, 9, for(a=1, n, for(b=1, n, print1(a==b", ")))) \\ Charles R Greathouse IV, Jun 29 2011
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CROSSREFS
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Sequence in context: A151666 A355681 A214284 * A330323 A280933 A133081
Adjacent sequences: A191744 A191745 A191746 * A191748 A191749 A191750
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KEYWORD
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nonn,easy
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AUTHOR
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L. Edson Jeffery, Jun 27 2011
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STATUS
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approved
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