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A151413
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Index at which n occurs in A160256, or -1 if n never occurs.
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2
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1, 2, 3, 4, 14, 5, 20, 6, 7, 12, 32, 11, 301, 22, 16, 8, 1065, 9
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| After a(19) which exceeds 10^7 but is still unknown, the sequence continues 18,24,34,a(23)=?,10,215,303,... [From M. F. Hasler (www.univ-ag.fr/~mhasler), May 16 2009]
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FORMULA
| A160218(n)=a(A000040(n)), conjectured. [From M. F. Hasler (www.univ-ag.fr/~mhasler), May 16 2009]
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CROSSREFS
| Cf, A160256, A160218.
Sequence in context: A123215 A051855 A058070 * A031241 A064958 A067177
Adjacent sequences: A151410 A151411 A151412 * A151414 A151415 A151416
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KEYWORD
| nonn,more
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), May 16 2009
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EXTENSIONS
| a(13)-a(18) from Robert Gerbicz (robert.gerbicz(AT)gmail.com) and M. F. Hasler (www.univ-ag.fr/~mhasler), May 16 2009
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