来自在线整数百科全书的问候语!http://oeis.org/ Search: id:a092196 Showing 1-1 of 1 %I A092196 %S A092196 0,1,2,3,4,1,2,3,4,5,1,2,3,4,5,2,3,4,5,6,2,3,4,5,6,3,4,5,6,7,3,4,5,6, %T A092196 7,4,5,6,7,8,4,5,6,7,8,5,6,7,8,9,1,2,3,4,5,2,3,4,5,6,2,3,4,5,6,3,4,5, %U A092196 6,7,3,4,5,6,7,4,5,6,7,8,4,5,6,7,8,5,6,7,8,9,5,6,7,8,9,6,7,8,9,10,1,2,3,4,5,2 %N A092196 Number of letters in "old style" Roman numeral representation of n (e.g., IIII rather than IV). %C A092196 How is this sequence defined for large values? -查尔斯R GrasoSube IVY,FEB 01 2011 C %A092196也,算盘数量移动(即,不同于它们的初始位置)在中国算盘上N的表达。中国算盘也叫“算盘”(CN)、“索班”(JP)。-冯冯CHIKYNYAG,AUG 08 Nathaniel Johnston 2017,A092196n,a(n)n=0…3999的表%H A092196维基百科算盘%H A092196维基百科索罗班%H A092196维基百科酸盘%H A092196与n个字母相关的序列的索引条目%e A092196 a(99)=10 because 99 is LXXXXVIIII. %p A092196 A092196 := proc(n) return length(convert(n, roman, period=early)): end: seq(A092196(n),n=1..105); # _Nathaniel Johnston_, May 18 2011 %o A092196 (PARI) a(n)=vecsum(apply(v->(v\5)+(v%5), digits(n))); \\ _Andrew Howroyd_, Oct 19 2017 %Y A092196 Cf. A006968. %K A092196 base,easy,nonn %O A092196 0,3 %A A092196 _Marc LeBrun_, Feb 24 2004 %E A092196 a(0)=0 prepended by _Andrew Howroyd_, Oct 19 2017 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE