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Search: id:A076654
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| A076654 |
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Smallest natural number not a multiple of 10, not occurring earlier and starting with the end of the previous term. |
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+0
6
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| 1, 11, 12, 2, 21, 13, 3, 31, 14, 4, 41, 15, 5, 51, 16, 6, 61, 17, 7, 71, 18, 8, 81, 19, 9, 91, 101, 102, 22, 23, 32, 24, 42, 25, 52, 26, 62, 27, 72, 28, 82, 29, 92, 201, 103, 33, 34, 43, 35, 53, 36, 63, 37, 73, 38, 83, 39, 93, 301, 104, 44, 45, 54, 46, 64, 47, 74, 48, 84, 49, 94
(list; graph; listen)
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OFFSET
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1,2
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MAPLE
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startsWith := proc(n, dig) local nshft ; nshft := n ; while nshft >= 10 do nshft := floor(nshft/10) ; od ; if dig = nshft then RETURN(true) ; else RETURN(false) ; fi ; end: A076654 := proc(nmax) local candid, a; a := [1] ; while nops(a) < nmax do candid := 2 ; while not startsWith(candid, op(-1, a) mod 10) or candid mod 10 = 0 or candid in a do candid := candid+1 ; od ; a := [op(a), candid] ; od ; RETURN(a) ; end: a := A076654(200) : for n from 1 to nops(a) do printf("%d, ", op(n, a)) ; od ; - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 12 2006
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CROSSREFS
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Cf. A076652, A076653.
Sequence in context: A092805 A004285 A140105 this_sequence A020510 A162903 A038687
Adjacent sequences: A076651 A076652 A076653 this_sequence A076655 A076656 A076657
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KEYWORD
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base,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Oct 28 2002
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EXTENSIONS
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More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 12 2006
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