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A065004 100 written in base n, or -1 if such a representation does not exist. 2
1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111, 1100100, 10201, 1210, 400, 244, 202, 144, 121, 100, 91, 84, 79, 72, -1, 64, -1, -1, 55, 50, -1, -1, 48, 44, 40, -1, -1, -1, -1, -1, 37, 34, 31, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 28, 26, 24, 22, 20, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The term 111....1111 should officially be called the "unary expansion", since in base 1 only the digit 0 may appear.

Terms exist for some bases up to 100. - T. D. Noe, Mar 09 2012

LINKS

Table of n, a(n) for n=1..100.

MATHEMATICA

Table[s = IntegerDigits[100, n]; If[Max[s] > 9, -1, FromDigits[s]], {n, 2, 100}] (* T. D. Noe, Mar 09 2012 *)

CROSSREFS

Cf. A065147, A208090 (100 in base -n).

Sequence in context: A095586 A095588 A095590 * A095592 A095594 A095596

Adjacent sequences:  A065001 A065002 A065003 * A065005 A065006 A065007

KEYWORD

base,sign,fini,full

AUTHOR

Bodo Zinser, Nov 19 2001

EXTENSIONS

Extended by T. D. Noe, Mar 09 2012

STATUS

approved

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Last modified June 28 09:49 EDT 2017. Contains 288813 sequences.