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 A093788 The Roman numerals, with "i" replaced by "1", "v" replaced by "5", "x" replaced by 10, etc. 2
 1, 11, 111, 15, 5, 51, 511, 5111, 110, 10, 101, 1011, 10111, 1015, 105, 1051, 10511, 105111, 10110, 1010, 10101, 101011, 1010111, 101015, 10105, 101051, 1010511, 10105111, 1010110, 101010, 1010101, 10101011, 101010111, 10101015, 1010105 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS A more compact and easier to parse version is A061493, where I, V, X, L, ... are replaced by 1, 2, 3, 4, ... The terms of this sequence can be converted to those of A061493 by changing digits '5' to '2' and deleting each digit '0' upon increasing by 2 the nonzero digit to its left. - M. F. Hasler, Jul 25 2016 LINKS PROG (PARI) {A093788(n)=A061493(n, , [1000, 1000, 900, 1001000, 500, 500, 400, 100500, 100, 100, 90, 10100, 50, 50, 40, 1050, 10, 10, 9, 110, 5, 5, 4, 15, 1, 1])} \\ M. F. Hasler, Jul 25 2016 CROSSREFS Cf. A006968, A002963, A003587, A036787, A057226. Cf. A036746, A036786, A036788, A160676, A160677, A199921. Sequence in context: A259372 A004287 A061493 * A204847 A098759 A273977 Adjacent sequences:  A093785 A093786 A093787 * A093789 A093790 A093791 KEYWORD base,easy,nonn AUTHOR William J. Rapaport (rapaport(AT)buffalo.edu), May 17 2004 EXTENSIONS Cross-references added and data double-checked by M. F. Hasler, Jul 25 2016 STATUS approved

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Last modified March 20 07:42 EDT 2019. Contains 321345 sequences. (Running on oeis4.)