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 A003588 Roman numerals with 1 letter, in alphabetical order; then those with 2 letters, etc. 3
 100, 500, 1, 50, 1000, 5, 10, 200, 400, 101, 150, 900, 105, 110, 600, 501, 550, 505, 510, 2, 4, 9, 51, 55, 60, 1100, 1500, 1001, 1050, 2000, 1005, 1010, 6, 90, 11, 40, 15, 20, 300, 201, 250, 205, 210, 401, 450, 405, 410, 102, 104, 109, 151, 155, 160, 901, 950, 905, 910, 106 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS In this sequence Roman numerals are limited to k <= 3999. - Sean A. Irvine, Dec 04 2022 LINKS Maxim Skorohodov, Table of n, a(n) for n = 1..3999 MATHEMATICA A003588full = FromRomanNumeral[SortBy[RomanNumeral[Range[3999]], StringLength]]; A003588full[[;; 100]] (* Paolo Xausa, Mar 19 2024 *) PROG (PARI) (Roman(n, s=Vecsmall("IVXLCDM"))=Strchr(apply(c->s[c-48], Vec(Vecsmall(Str(A061493(n))))))); vecsort(vector(4000, n, [#t=Roman(n), t]), , 1)[1..100] \\ M. F. Hasler, Jan 12 2015 CROSSREFS Cf. A003587, A006968, A061493, A036746. Sequence in context: A290654 A017642 A093004 * A115695 A250700 A250846 Adjacent sequences: A003585 A003586 A003587 * A003589 A003590 A003591 KEYWORD nonn,base,fini,full,look AUTHOR N. J. A. Sloane, J. H. Conway and John Jackson (ab158(AT)freenet.uchsc.edu) EXTENSIONS Corrected, edited and extended by M. F. Hasler, Jan 12 2015 STATUS approved

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Last modified August 8 06:26 EDT 2024. Contains 375020 sequences. (Running on oeis4.)