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Search: id:A104143
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| A104143 |
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Take any three consecutive terms and write them down (in French): their letters sum up to a square number. This is the slowest strictly increasing such sequence. |
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+0
1
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| 1, 2, 6, 21, 43, 44, 50, 52, 53, 103, 121, 123, 197, 203, 204
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Starting with "0,1" would give another sequence.
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EXAMPLE
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1 2 6 = "un+deux+six" = 9 letters; 9 is 3^2.
197 203 204 = "cent quatre-vingt-dix-sept + deux cent trois + deux cent quatre" = 49 letters; 49 is 7^2.
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CROSSREFS
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Sequence in context: A063753 A066893 A004192 this_sequence A088812 A001434 A119098
Adjacent sequences: A104140 A104141 A104142 this_sequence A104144 A104145 A104146
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KEYWORD
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base,easy,nonn,word
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AUTHOR
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Eric Angelini (eric.angelini(AT)kntv.be), Mar 07 2005
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