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A139610
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a(n) = 45*n + 10.
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3
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10, 55, 100, 145, 190, 235, 280, 325, 370, 415, 460, 505, 550, 595, 640, 685, 730, 775, 820, 865, 910, 955, 1000, 1045, 1090, 1135, 1180, 1225, 1270, 1315, 1360, 1405, 1450, 1495, 1540, 1585, 1630, 1675, 1720, 1765, 1810, 1855, 1900
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OFFSET
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0,1
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COMMENTS
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Numbers of the 10th column of positive numbers in the square array of nonnegative and polygonal numbers A139600.
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LINKS
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FORMULA
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E.g.f.: 5*exp(x)*(2 + 9*x).
a(n) = 2*a(n-1) - a(n-2) for n >= 2. (End)
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MATHEMATICA
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45*Range[0, 50]+10 (* or *) LinearRecurrence[{2, -1}, {10, 55}, 50] (* Harvey P. Dale, Dec 27 2021 *)
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PROG
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CROSSREFS
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KEYWORD
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easy,nonn,changed
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AUTHOR
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STATUS
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approved
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