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A135367
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Not the sum of three perfect powers (assuming 1, but not 0, is a perfect power).
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4
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1, 2, 4, 5, 7, 8, 15, 23, 31, 87, 111, 119, 167, 335, 1391, 1455, 1607, 1679, 1991, 25887, 26375
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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COMMENTS
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No other terms < 10^9. Presumably the sequence is finite.
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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