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A017150
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a(n) = (8*n + 7)^2.
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1
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49, 225, 529, 961, 1521, 2209, 3025, 3969, 5041, 6241, 7569, 9025, 10609, 12321, 14161, 16129, 18225, 20449, 22801, 25281, 27889, 30625, 33489, 36481, 39601, 42849, 46225, 49729, 53361, 57121
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,1
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LINKS
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FORMULA
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G.f.: ( -49 - 78*x - x^2 ) / ( (x-1)^3 ). - R. J. Mathar, Aug 26 2015
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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