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A086809 Indices n where A057176(n)=2. 1
2, 5, 8, 34, 65, 144, 296, 401, 490, 520, 2165, 3590, 4640, 4828, 6828, 8704, 17675, 21164, 52883, 84762, 162069, 358838, 1463826, 1593474, 1668393, 2086706 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

By definition of the sequence, A087045(n) + 1 for every n > 0 is in the sequence.

No more terms < 3870000. - David Wasserman, Mar 31 2005

LINKS

Table of n, a(n) for n=1..26.

MATHEMATICA

a[m_] := a[m] = Sum[ a[j], {j, 0, Mod[ a[m - 1], m]}]; vv = {}; Do[ a[n] = If[ n == 0, 1, b]; v = a[n + 1]; b = v; If[ v == 2, AppendTo[ vv, n + 1]; Print[n + 1]], {n, 0, 165000}]

CROSSREFS

Cf. A057176, A087045.

Sequence in context: A140275 A025533 A295970 * A153863 A153890 A130378

Adjacent sequences:  A086806 A086807 A086808 * A086810 A086811 A086812

KEYWORD

nonn

AUTHOR

Farideh Firoozbakht, Aug 05 2003

EXTENSIONS

Extended by Robert G. Wilson v, Aug 07 2003

More terms from David Wasserman, Mar 31 2005

STATUS

approved

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Last modified June 29 16:49 EDT 2022. Contains 354913 sequences. (Running on oeis4.)