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A125952 a(0)=1. a(n) = sum{k=0 to n-1} a(a(k)(mod n)). +0
1
1, 1, 2, 4, 5, 10, 24, 27, 26, 71, 77, 124, 242, 541, 1302, 909, 2241, 3068, 5755, 14124, 4366, 33254, 17185, 30646, 119061, 439627, 1628886, 3445777, 10356114, 8544543, 6387109, 13865738, 51864383, 131657416, 99058644, 515078144, 564483113 (list; graph; listen)
OFFSET

0,3

LINKS

Leroy Quet, Home Page (listed in lieu of email address)

MATHEMATICA

f[l_List] := Block[{n = Length[l]}, Append[l, Sum[l[[Mod[l[[k]], n] + 1]], {k, n}]]]; Nest[f, {1}, 37] (*Chandler*)

CROSSREFS

Sequence in context: A018688 A018733 A110789 this_sequence A089409 A136988 A074725

Adjacent sequences: A125949 A125950 A125951 this_sequence A125953 A125954 A125955

KEYWORD

easy,nonn

AUTHOR

Leroy Quet Feb 05 2007

EXTENSIONS

Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Feb 07 2007

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.


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