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A107774
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a(1)=3, a(n) = smallest integer not previously used which contains a digit from a(n-1).
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9
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3, 13, 1, 10, 0, 20, 2, 12, 11, 14, 4, 24, 21, 15, 5, 25, 22, 23, 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, A107773 a(1)=2, 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, {3}, 70] (*Chandler*)
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CROSSREFS
| Cf. A107353, A107772, A107773, A107775, A107776, A107777, A107778, A107779, A107780, A107781.
Sequence in context: A167368 A068697 A010258 * A122478 A164558 A128368
Adjacent sequences: A107771 A107772 A107773 * A107775 A107776 A107777
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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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