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 A099145 Numbers in base 10 that are palindromic in bases 7 and 8. 21
 0, 1, 2, 3, 4, 5, 6, 121, 178, 235, 292, 300, 2997, 6953, 7801, 10658, 13459, 16708, 428585, 431721, 444713, 447849, 450985, 502457, 626778, 786435, 10453500, 27924649 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Intersection of A029954 and A029803. - Michel Marcus, Oct 09 2014 LINKS Robert G. Wilson v and Giovanni Resta, Table of n, a(n) for n = 1..48 (first 37 terms from Robert G. Wilson v) EXAMPLE 178 is in the sequence because 178_10 = 343_7 = 262_8. MATHEMATICA palQ[n_Integer, base_Integer] := Block[{idn = IntegerDigits[n, base]}, idn == Reverse[ idn]]; Select[ Range[ 150000000], palQ[ #, 7] && palQ[ #, 8] &] CROSSREFS Cf. A048268, A060792, A097928, A097929, A097930, A097931, A099146, A029965, A029966, A099147, A099153. Sequence in context: A037438 A171596 A100793 * A004868 A073788 A004879 Adjacent sequences:  A099142 A099143 A099144 * A099146 A099147 A099148 KEYWORD base,nonn AUTHOR Robert G. Wilson v, Sep 30 2004 STATUS approved

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