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A067923
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Engel expansion of log(23).
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0
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1, 1, 1, 8, 12, 135, 199, 378, 600, 1836, 4897, 8198, 8993, 84887, 450287, 892157, 5053447, 5183243, 15350505, 19963471, 31631271, 37655416, 2138752269, 4805947342, 14508700588, 27508373127, 28635924075, 30814114095, 32073629885, 961160400603, 3607716972786
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OFFSET
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1,4
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LINKS
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PROG
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(PARI) \\ a(1)=1 and for n>1:
s=log(23); for(i=1, 30, s=s*ceil(1/s)-1; print1(ceil(1/s), ", "); );
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CROSSREFS
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See A006784 for explanation of Engel expansions. Log(23) is the first number of the form Log(n), n an integer, for which it is not known whether a BBP formula exists.
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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