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A320865
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Powers of 2 with initial digit 9.
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1
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9007199254740992, 9223372036854775808, 9444732965739290427392, 9671406556917033397649408, 9903520314283042199192993792, 91343852333181432387730302044767688728495783936, 93536104789177786765035829293842113257979682750464
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OFFSET
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1,1
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LINKS
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MAPLE
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select(x->"9"=""||x[1], [2^n$n=0..200])[];
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MATHEMATICA
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Select[2^Range[200], IntegerDigits[#][[1]] == 9 &] (* Amiram Eldar, Nov 21 2018 *)
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PROG
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(GAP) Filtered(List([0..200], n->2^n), i->ListOfDigits(i)[1]=9);
(PARI) select(x->(digits(x)[1]==9), vector(200, n, 2^n)) \\ Michel Marcus, Nov 21 2018
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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