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A071121
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a(n) = a(n-1) + sum of decimal digits of n^3.
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2
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1, 9, 18, 28, 36, 45, 55, 63, 81, 82, 90, 108, 127, 144, 162, 181, 198, 216, 244, 252, 270, 289, 306, 324, 343, 369, 396, 415, 441, 450, 478, 504, 531, 550, 576, 603, 622, 648, 675, 685, 711, 738, 766, 792, 810, 838, 855, 873, 901, 909, 927, 946, 981, 1008
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OFFSET
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1,2
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REFERENCES
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N. Agronomof, Question 4420, L'Intermédiaire des Math. 21 (1914), 147.
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LINKS
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MATHEMATICA
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s=0; Do[s=s+Apply[Plus, IntegerDigits[n^3]]; Print[s], {n, 1, 128}]
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CROSSREFS
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KEYWORD
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base,easy,nonn
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AUTHOR
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STATUS
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approved
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