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A139745
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a(n) = 11^n - 7^n.
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3
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0, 4, 72, 988, 12240, 144244, 1653912, 18663628, 208594080, 2317594084, 25654949352, 283334343868, 3124587089520, 34425823133524, 379071610510392, 4172500607905708, 45916496933002560, 505214397985306564, 5558288899894321032, 61147691553229173148
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OFFSET
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0,2
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LINKS
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FORMULA
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MATHEMATICA
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Table[11^n-7^n, {n, 0, 30}] (* or *) LinearRecurrence[{18, -77}, {0, 4}, 30] (* Harvey P. Dale, Jun 17 2014 *)
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PROG
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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