A004209 For m=2,3,..., write m in bases m,m-1,...,3,2.

10, 10, 11, 10, 11, 100, 10, 11, 12, 101, 10, 11, 12, 20, 110, 10, 11, 12, 13, 21, 111, 10, 11, 12, 13, 20, 22, 1000, 10, 11, 12, 13, 14, 21, 100, 1001, 10, 11, 12, 13, 14, 20, 22, 101, 1010, 10, 11, 12, 13, 14, 15, 21, 23, 102, 1011, 10, 11, 12, 13, 14, 15, 20, 22, 30

Offset

2,1

Comments

Note that twenty-one in base eleven is the first term which requires a non-decimal digit (roughly the two hundredth term of the sequence).

Links

Table of n, a(n) for n=2..65.

Crossrefs

Sequence in context: A245431 A341722 A229902 * A162720 A112867 A215511

Adjacent sequences: A004206 A004207 A004208 * A004210 A004211 A004212

Keyword

nonn,base,easy,tabl

Author

N. J. A. Sloane, Johan Boye (johbo(AT)ida.liu.se)

Extensions

More terms from Henry Bottomley, Nov 23 2000

Status

approved