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A055508
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H is the first, fifth, sixteenth, ..., letter in the sequence not counting spaces and commas.
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6
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1, 5, 16, 25, 36, 38, 47, 49, 57, 59, 71, 81, 93, 103, 119, 134, 141, 149, 156, 172, 176, 184, 194, 198, 218, 234, 238, 254, 258, 281, 299, 303, 313, 321, 325, 343, 347, 363, 365, 369, 379, 385, 389, 397, 407, 411, 419, 427, 429, 433, 450, 454, 469, 471, 475
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OFFSET
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1,2
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COMMENTS
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Along with the letters "T" and "I", this completes the series, i.e. no other letters in the alphabet can substain a sequence with such a definition.
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LINKS
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CROSSREFS
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KEYWORD
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easy,nonn,word
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AUTHOR
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STATUS
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approved
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