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A010070
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Base 8 self or Colombian numbers (not of form k + sum of base 8 digits of k).
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12
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1, 3, 5, 7, 16, 25, 34, 43, 52, 61, 70, 72, 81, 90, 99, 108, 117, 126, 135, 137, 146, 155, 164, 173, 182, 191, 200, 202, 211, 220, 229, 238, 247, 256, 265, 267, 276, 285, 294, 303, 312, 321, 330, 332, 341, 350, 359, 368, 377, 386, 395, 397, 406, 415, 424, 433
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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REFERENCES
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Steven R. Finch, Mathematical Constants, Cambridge, 2003, Section 2.24, pp. 179-180.
József Sándor and Borislav Crstici, Handbook of Number theory II, Kluwer Academic Publishers, 2004, Chapter 4, p. 384-386.
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LINKS
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MATHEMATICA
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s[n_] := n + Plus @@ IntegerDigits[n, 8]; m = 500; Complement[Range[m], Array[s, m]] (* Amiram Eldar, Nov 28 2020 *)
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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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EXTENSIONS
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STATUS
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approved
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