



3, 18, 35, 37, 148, 741, 752, 6814, 13976, 150095, 517213, 11874105
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OFFSET

1,1


LINKS

Table of n, a(n) for n=1..12.


EXAMPLE

18 is in the sequence because A125204(18) = A125204(19) = 266.


MATHEMATICA

l = {0, 1}; Do[x = l[[n]] + l[[Mod[l[[n]], n] + 1]]; If[x == l[[n]], Print[n  1]]; AppendTo[l, x], {n, 2, 10^9}]


CROSSREFS

Cf. A125204.
Sequence in context: A204192 A108169 A063116 * A097989 A039700 A069147
Adjacent sequences: A125281 A125282 A125283 * A125285 A125286 A125287


KEYWORD

hard,more,nonn


AUTHOR

Ryan Propper, Jan 25 2007


STATUS

approved



