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A107773
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a(1)=2, a(n) = smallest integer not previously used which contains a digit from a(n-1).
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9
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2, 12, 1, 10, 0, 20, 21, 11, 13, 3, 23, 22, 24, 4, 14, 15, 5, 25, 26, 6, 16, 17, 7, 27, 28, 8, 18, 19, 9, 29, 32, 30, 31, 33, 34, 35, 36, 37, 38, 39, 43, 40, 41, 42, 44, 45, 46, 47, 48, 49, 54, 50, 51, 52, 53, 55, 56, 57, 58, 59, 65, 60, 61, 62, 63, 64, 66, 67, 68, 69, 76, 70
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Cf. A107353 a(1)=0, A107772 a(1)=1, A107774 a(1)=3, A107775 a(1)=4, A107776 a(1)=5, A107777 a(1)=6, A107778 a(1)=7, A107779 a(1)=8, A107780 a(1)=9, A107781 a(1)=10
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MATHEMATICA
| f[l_] := Block[{c = 0}, While[ MemberQ[l, c] || Intersection @@ IntegerDigits /@{Last[l], c}=={}, c++ ]; Return[Append[l, c]]]; Nest[f, {2}, 70] (*Chandler*)
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CROSSREFS
| Cf. A107353, A107772, A107774, A107775, A107776, A107777, A107778, A107779, A107780, A107781.
Sequence in context: A016736 A082185 A113491 * A075180 A167164 A010239
Adjacent sequences: A107770 A107771 A107772 * A107774 A107775 A107776
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KEYWORD
| base,nonn
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AUTHOR
| Eric Angelini (eric.angelini(AT)kntv.be) & Zak Seidov (zakseidov(AT)yahoo.com), May 24 2005
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