

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
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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

Table of n, a(n) for n=1..35.


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

Crossreferences added and data doublechecked by M. F. Hasler, Jul 25 2016


STATUS

approved



