|
| |
|
|
A164821
|
|
Number of letters in n-th prime (in German).
|
|
0
| |
|
|
4, 4, 4, 6, 3, 8, 8, 8, 14, 14, 14, 17, 13, 14, 16, 14
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
COMMENTS
| A letter with a diaeresis (for example fuenf = "five") is still counted as a single letter.
|
|
|
FORMULA
| a(n) = A007208(A000040(n)). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 09 2010]
|
|
|
EXAMPLE
| a(1) = 4 because the first prime is 2, and it has in the German language (zwei) 4 letters.
|
|
|
CROSSREFS
| Sequence in context: A006075 A074904 A010304 * A130331 A141241 A140696
Adjacent sequences: A164818 A164819 A164820 * A164822 A164823 A164824
|
|
|
KEYWORD
| nonn,word,more
|
|
|
AUTHOR
| Ivan Panchenko (ivanpan3(AT)gmail.com), Aug 27 2009
|
| |
|
|