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A158341
0
0, 1, 4, 18, 128, 1404, 18261, 310346, 5896727, 135624239, 3933101823, 121926157640, 4511267827531, 184961980943492, 7953365180610400
OFFSET
0,3
CROSSREFS
Sequence in context: A001423 A308351 A291335 * A144272 A034517 A294462
KEYWORD
more,nonn
AUTHOR
Mats Granvik, Mar 16 2009
EXTENSIONS
Extended and offset corrected by Max Alekseyev, Sep 13 2009
STATUS
approved