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A065004 100 written in base n, or -1 if the representation requires digits outside of 0 to 9. 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
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
KEYWORD
base,less,sign,fini,full
AUTHOR
Bodo Zinser, Nov 19 2001
EXTENSIONS
Extended by T. D. Noe, Mar 09 2012
Title clarified by Sean A. Irvine, Aug 15 2021
STATUS
approved

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Last modified March 19 06:32 EDT 2024. Contains 370953 sequences. (Running on oeis4.)