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A143191
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a(n) is the smallest natural number we cannot obtain from n, n+1, n+2, n+3, n+4, n+5, n+6 and the operators +, -, *, /, using each number only once.
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1
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284, 1413, 2113, 3266, 4943, 6242, 9105, 11586, 6269, 6427, 8407, 8406, 9224, 11079, 12451, 8392, 3469, 4253, 4043, 4126, 4087, 4657, 4330, 4639, 5114, 3983, 5839, 4415, 6376, 4537, 5231, 5161, 4090, 3199, 2057, 3372, 2285, 2270, 2525, 2609, 2590, 1209
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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COMMENTS
| This sequence is related to the sequences A071110 (for 5 successive integers) and A060316 (for 6 successive integers) and others sequences to come...
Asymptotically, the sequence tends to 29 (the first n for which a(n)=29 is n=249).
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LINKS
| Gilles A. Fleury, Table of n, a(n) for n=0..300
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CROSSREFS
| Cf. A071110, A060316, A071107, A060315, A141494, A142153.
Sequence in context: A092681 A090789 A002046 * A180220 A108110 A196893
Adjacent sequences: A143188 A143189 A143190 * A143192 A143193 A143194
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KEYWORD
| nonn
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AUTHOR
| Gilles A. Fleury (gilles.fleury(AT)supelec.fr), Oct 18 2008
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