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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 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,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 November 30 17:58 EST 2023. Contains 367461 sequences. (Running on oeis4.)