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Search: id:A095781
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| A095781 |
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Values of n for which A095777(n) is 12 (those terms which are expressible in decimal digits for bases 2 through 13, but not for base 14). |
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+0
1
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| 13, 26, 27, 39, 40, 41, 52, 53, 55, 66, 67, 68, 69, 80, 81, 96, 97, 108, 169, 170, 171, 172, 173, 174, 176, 177, 182, 183, 184, 185, 187, 188, 189, 195, 209, 221, 222, 223, 248, 249, 290, 291, 292, 293, 338, 339, 341, 342, 343, 344, 345, 364, 365, 366, 367, 368
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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a(5)=40 because 40 when expressed in successive bases starting at 2 will produce its first non-decimal digit at base 14. Like so: 101000, 1111, 220, 130, 104, 55, 50, 44, 40, 37, 34, 31. In base 14, 40 is 2C.
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MAPLE
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S := []; for n from 1 to 1000 do; if 1>0 then; ct := 0; ok := true; b := 2; if (n>9) then; while ok=true do; L := convert(n, base, b); for e in L while ok=true do; if (e > 9) then ok:=false; fi; od; if ok=true then; ct := ct + 1; b := b + 1; fi; od; fi; if ct=12 then S := [op(S), n]; fi; fi; od; S;
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CROSSREFS
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Cf. A095777.
Sequence in context: A123827 A105796 A040156 this_sequence A037974 A101870 A044853
Adjacent sequences: A095778 A095779 A095780 this_sequence A095782 A095783 A095784
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KEYWORD
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base,nonn
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AUTHOR
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Chuck Seggelin (seqfan(AT)plastereddragon.com), Jun 05 2004
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