A093788 - OEIS

A093788

The Roman numerals, with "i" replaced by "1", "v" replaced by "5", "x" replaced by 10, etc.

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

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: A348871 A004287 A061493 * A327992 A204847 A098759

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