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A064791 "Inverse permutation" to A064537. Limits of the recursion b(i+1)=B_[i](b(i)), where b(0)=n and B_[k](j) = B_[k-1](j) + k, k+1 <= j <= 2k; B_[k](j) = B_[k-1](j) - k, 2k+1 <= j <= 3k; B_[k](j) = B_[k-1](j) otherwise. Set a(n)=0 if b tends to infinity. 3
1, 11, 2, 5, 3, 6, 4, 21, 36, 15, 10, 7, 146, 8, 105, 9, 16, 46, 80, 30, 12, 20, 13, 480, 14, 40, 25, 26, 4340, 17, 215, 18, 31, 19, 90, 55, 261, 35, 22, 61, 23, 65, 24, 41, 115, 71, 330, 27, 45, 28, 365, 29, 136, 50, 51, 86, 32, 3136, 33, 56, 34, 96, 161, 3490, 60, 37, 171, 38, 296 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The sequence would be the inverse permutation to A064537 if zero never appears.

LINKS

Table of n, a(n) for n=1..69.

Index entries for sequences that are permutations of the natural numbers

CROSSREFS

Sequence in context: A258337 A089566 A010191 * A074126 A107831 A064928

Adjacent sequences:  A064788 A064789 A064790 * A064792 A064793 A064794

KEYWORD

easy,nonn

AUTHOR

Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Oct 20 2001

STATUS

approved

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Last modified January 22 12:13 EST 2019. Contains 319363 sequences. (Running on oeis4.)