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A037586
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Base 7 digits are, in order, the first n terms of the periodic sequence with initial period 3,1.
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1
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3, 22, 157, 1100, 7703, 53922, 377457, 2642200, 18495403, 129467822, 906274757, 6343923300, 44407463103, 310852241722, 2175965692057, 15231759844400, 106622318910803, 746356232375622, 5224493626629357
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OFFSET
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1,1
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LINKS
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FORMULA
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G.f.: x*(3+x) / ( (x-1)*(7*x-1)*(1+x) ). - R. J. Mathar, Apr 26 2015
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MATHEMATICA
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CoefficientList[Series[(3 + x)/((x - 1)*(7*x - 1)*(1 + x)), {x, 0, 30}], x] (* Wesley Ivan Hurt, Jul 11 2023 *)
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CROSSREFS
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KEYWORD
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nonn,base,easy
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AUTHOR
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STATUS
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approved
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