| 单词 | Eban Number |
| 释义 | Eban NumberThe sequence of numbers whose names (in English) do not contain the letter ``e'' (i.e., ``e'' is ``banned''). The first feweban numbers are 2, 4, 6, 30, 32, 34, 36, 40, 42, 44, 46, 50, 52, 54, 56, 60, 62, 64, 66, 2000, 2002, 2004, ...(Sloane's A006933); i.e., two, four, six, thirty, etc.
Sloane, N. J. A. SequenceA006933/M1030in ``An On-Line Version of the Encyclopedia of Integer Sequences.''http://www.research.att.com/~njas/sequences/eisonline.html and Sloane, N. J. A. and Plouffe, S.The Encyclopedia of Integer Sequences. San Diego: Academic Press, 1995. |
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