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77777, 101777, 102777, 103777, 104777, 105777, 106777, 107177, 107277, 107377, 107477, 107577, 107677, 107727, 107737, 107747, 107757, 107767, 107771, 107772, 107773, 107774, 107775, 107776, 107778, 107779, 107787, 107797, 107877, 107977
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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These numbers are haiku when written in English (including the 'and' between the hundreds and tens or units). A haiku is a three-line poem with 5 syllables in the first line, seven in the second and five in the third.
Apparently the actual criterion is that there are 17 syllables, as words can be broken across lines: e.g.,
One hundred and sev-
en thousand one hundred and
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LINKS
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EXAMPLE
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77777 is a haiku:
Seventy-seven
thousand, seven hundred and
seventy-seven.
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MAPLE
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filter:= proc(n) uses StringTools; local t;
t:= convert(n, english, 'And');
t:= subs("ninety"="eighty", Split(t, "- "));
# Maple thinks "ninety" has 3 syllables
convert(map(SyllableLength, t), `+`)=17
end proc:
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CROSSREFS
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KEYWORD
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nonn,word,base,fini
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AUTHOR
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STATUS
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approved
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