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A065175 Inverse permutation to A065174. 1
1, 3, 7, 5, 13, 2, 11, 9, 25, 6, 15, 4, 21, 10, 19, 17, 49, 14, 23, 12, 29, 18, 27, 8, 41, 22, 31, 20, 37, 26, 35, 33, 97, 30, 39, 28, 45, 34, 43, 24, 57, 38, 47, 36, 53, 42, 51, 16, 81, 46, 55, 44, 61, 50, 59, 40, 73, 54, 63, 52, 69, 58, 67, 65, 193, 62, 71, 60, 77, 66, 75, 56 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..72.

Joe Buhler and R. L. Graham, Juggling Drops and Descents, Amer. Math. Monthly, 101, (no. 6) 1994, 507 - 519.

Index entries for sequences that are permutations of the natural numbers

MAPLE

[seq(Z2N(N2Z(n)-TZ2(abs(N2Z(n)))), n=1..120)];

N2Z := n -> ((-1)^n)*floor(n/2); Z2N := z -> 2*abs(z)+`if`((z < 1), 1, 0);

CROSSREFS

Sequence in context: A074588 A287865 A238086 * A065283 A268261 A090940

Adjacent sequences:  A065172 A065173 A065174 * A065176 A065177 A065178

KEYWORD

nonn

AUTHOR

Antti Karttunen, Oct 19 2001

STATUS

approved

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Last modified January 16 21:37 EST 2019. Contains 319206 sequences. (Running on oeis4.)