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A003588 Roman numerals with 1 letter, in alphabetical order; then those with 2 letters, etc. 2
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

LINKS

Table of n, a(n) for n=1..58.

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

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 February 17 18:14 EST 2020. Contains 332005 sequences. (Running on oeis4.)