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A030914
[ exp(2/15)*n! ].
0
1, 2, 6, 27, 137, 822, 5758, 46070, 414637, 4146378, 45610165, 547321987, 7115185831, 99612601644, 1494189024672, 23907024394756, 406419414710865, 7315549464795573, 138995439831115897, 2779908796622317955
OFFSET
1,2
MATHEMATICA
Floor[Exp[2/15]Range[20]!] (* Harvey P. Dale, Sep 06 2023 *)
CROSSREFS
Sequence in context: A193385 A030961 A030826 * A030838 A138295 A030967
KEYWORD
nonn
AUTHOR
STATUS
approved