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A249048
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Self-numbers (A003052) that are multiples of 9.
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4
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9, 108, 198, 288, 378, 468, 558, 648, 738, 828, 918, 1098, 1188, 1278, 1368, 1458, 1548, 1638, 1728, 1818, 1917, 2007, 2088, 2178, 2268, 2358, 2448, 2538, 2628, 2718, 2817, 2907, 2997, 3078, 3168, 3258, 3348, 3438, 3528, 3618, 3717, 3807, 3897, 3987, 4068, 4158, 4248
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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REFERENCES
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D. R. Kaprekar, The Mathematics of the New Self Numbers, Privately printed, 311 Devlali Camp, Devlali, India, 1963.
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LINKS
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PROG
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(Haskell)
a249048 n = a249048_list !! (n-1)
a249048_list = filter ((== 0) . flip mod 9) a003052_list
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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