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A086336 Records in A087666. 6
0, 3, 4, 7, 9, 16, 20, 21, 24, 26, 29, 32, 38, 39, 43, 45, 46, 48, 52, 60, 65 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
FORMULA
a(n) = A087666(A087663(n)).
MATHEMATICA
f[n_] := Block[{c = 1, k = n/3}, If[ IntegerQ[k], 0, While[tn = Floor[k]; tf = k - tn; tn = Mod[tn, 3^500]; k = tn(tn + tf); !IntegerQ[k], c++ ]; c++ ]]; f /@ {A087663}
CROSSREFS
Sequence in context: A301767 A169898 A281734 * A237258 A108796 A364684
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Sep 27 2003
EXTENSIONS
More terms from Robert G. Wilson v, Oct 10 2003
a(11) from N. J. A. Sloane, Oct 16 2003
a(12)-a(16) from Robert G. Wilson v, Mar 11 2004
a(17)-a(20) from Max Alekseyev, Jul 29 2011
a(21) from Chai Wah Wu, Mar 04 2021
STATUS
approved

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Last modified February 21 15:59 EST 2024. Contains 370237 sequences. (Running on oeis4.)