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A003509 A problem in (0,1)-matrices.
(Formerly M0833)
+0
1
2, 3, 7, 13, 21, 31 (list; graph; listen)
OFFSET

2,1

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Problem E2429, Amer. Math. Monthly, 81 (1974), 1112-1113.

LINKS

Index entries for sequences related to binary matrices

CROSSREFS

Sequence in context: A070754 A049887 A048216 this_sequence A133370 A144104 A088175

Adjacent sequences: A003506 A003507 A003508 this_sequence A003510 A003511 A003512

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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