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A103155
Each letter appears an even number of times in the English names for 1 through n taken together (names with "and").
0
42278, 44478, 46678, 47876, 48878, 49896
OFFSET
1,1
COMMENTS
The English names for numbers 1 through 42278 together contain 83036 a's, 158994 d's, 192398 e's, 41248 f's, 16648 g's, 122564 h's, 82264 i's, 2846 l's, 210108 n's, 83684 o's, 83574 r's, 74594 s's, 173440 t's, 91686 u's, 30508 v's, 27016 w's, 16658 x's and 56098 y's. Each of these counts is even so 42278 is in the sequence.
CROSSREFS
Sequence in context: A374368 A186604 A345154 * A271749 A031670 A237312
KEYWORD
nonn,word
AUTHOR
David W. Wilson, Jan 24 2005
STATUS
approved