This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A007485 M2299 #21 Jul 08 2025 17:05:00 %S A007485 3,4,4,4,3,3,5,4,5,4,3,6,7,8,7,7,9,8,9,7,12,13,13,13,12,12,14,13,14,6, %T A007485 11,12,12,12,11,11,13,12,13,7,12,13,13,13,12,12,14,13,14,6,11,12,12, %U A007485 12,11,11,13,12,13,6,11,12,12,12,11,11,13,12,13,8,13 %N A007485 Number of letters in n (in Dutch) counting 'ij' as one letter. %C A007485 The 'ij' in 'vijf' has been counted as one letter here. Counting it as one or two letters are both common in Dutch. - _André Engels_, Dec 07 2003 %D A007485 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A007485 <a href="/index/Lc#letters">Index entries for sequences related to number of letters in n</a> %Y A007485 Cf. A090589 gives the sequence when 'ij' is counted as two letters. %K A007485 nonn,word %O A007485 1,1 %A A007485 _N. J. A. Sloane_