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A067923 Engel expansion of log(23). 0
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..31.

PROG

(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), ", "); );

CROSSREFS

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.

Cf. A016646.

Sequence in context: A180922 A083128 A196077 * A258780 A228663 A076028

Adjacent sequences:  A067920 A067921 A067922 * A067924 A067925 A067926

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre, Mar 03 2002

STATUS

approved

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Last modified January 27 22:22 EST 2022. Contains 350654 sequences. (Running on oeis4.)