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A086976 Number of monotonic matrices of order n. 1
2, 19, 712, 87685 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

See A070214 for the definition.

LINKS

Eric Weisstein's World of Mathematics, Monotonic Matrix

CROSSREFS

Cf. A070214.

Sequence in context: A120420 A158099 A015204 * A118189 A062623 A155956

Adjacent sequences:  A086973 A086974 A086975 * A086977 A086978 A086979

KEYWORD

nonn,more

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Jul 25, 2003

EXTENSIONS

a(4) from Rob Pratt, Aug 23, 2003. a(5) >= 519406.

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Last modified February 13 10:39 EST 2012. Contains 205459 sequences.