A001167 - OEIS

A001167

Smallest natural number requiring n words in English (as spoken in England).
(Formerly M5122 N2218)

1, 21, 21000, 101, 121, 1101, 1121, 21121, 101101, 101121, 121121, 1101121, 1121121, 21121121, 101101121, 101121121, 121121121, 1101121121, 1121121121, 21121121121, 101101121121, 101121121121, 121121121121, 1101121121121, 1121121121121, 21121121121121

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

REFERENCES

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=1..26.

Robert G. Wilson v, American English names for the numbers from 0 to 11159 without spaces or hyphens.

EXAMPLE

One, twenty-one, twenty-one thousand, one hundred and one, one hundred and twenty-one, ...

CROSSREFS