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A293363
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Least integer k such that k/2^n > log 2.
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3
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1, 2, 3, 6, 12, 23, 45, 89, 178, 355, 710, 1420, 2840, 5679, 11357, 22714, 45427, 90853, 181705, 363409, 726818, 1453635, 2907270, 5814540, 11629080, 23258160, 46516320, 93032640, 186065280, 372130559, 744261118, 1488522236, 2977044472, 5954088944
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OFFSET
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0,2
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LINKS
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FORMULA
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a(n) = ceiling(r*2^n), where r = log 2.
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MATHEMATICA
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z = 120; r = Log[2];
Table[Floor[r*2^n], {n, 0, z}]; (* A293362 *)
Table[Ceiling[r*2^n], {n, 0, z}]; (* A293363 *)
Table[Round[r*2^n], {n, 0, z}]; (* A293364 *)
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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