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A104142
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Take any three consecutive terms and write them down (in English): their letters sum up to a square number. This is the slowest strictly increasing such sequence.
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0
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1, 2, 6, 10, 24, 73, 104, 200, 300, 401, 473
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| Numbers without "and" are used here. Starting with "0,1" would give another sequence.
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EXAMPLE
| 1 2 6 = "one+two+six" = 9 letters; 9 is 3^2.
300 401 473 = "three hundred + four hundred one + four hundred seventy three" = 49 letters; 49 is 7^2.
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CROSSREFS
| Sequence in context: A120963 A200220 A188224 * A079713 A055237 A057434
Adjacent sequences: A104139 A104140 A104141 * A104143 A104144 A104145
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KEYWORD
| base,easy,nonn,word
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AUTHOR
| Eric Angelini (eric.angelini(AT)kntv.be), Mar 07 2005
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