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A279001
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Numbers of the form (11*h+j)*11^k-1 for h,k in N and j in {2,6,7,8,10}.
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3
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1, 5, 6, 7, 9, 12, 16, 17, 18, 20, 21, 23, 27, 28, 29, 31, 34, 38, 39, 40, 42, 45, 49, 50, 51, 53, 56, 60, 61, 62, 64, 65, 67, 71, 72, 73, 75, 76, 78, 82, 83, 84, 86, 87, 89, 93, 94, 95, 97, 100, 104, 105, 106, 108, 109, 111, 115, 116, 117, 119, 122, 126, 127
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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COMMENTS
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Created in a failed attempt to explain sequences J and K on page 10 of Fu and Han (2016). See A279194 and A279195. - N. J. A. Sloane, Dec 15 2016
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LINKS
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MAPLE
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isA279001 := proc(n)
not isA279000(n) ;
end proc:
for n from 0 to 200 do
if isA279001(n) then
printf("%d, ", n) ;
end if;
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MATHEMATICA
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okQ[n_] := Not @ MatchQ[IntegerDigits[n+1, 11], {___, 1|3|4|5|9, 0...}];
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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Corrected by Lars Blomberg (base 5 replaced by base 11. 10 removed, 21 added,...), Dec 15 2016
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STATUS
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approved
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