A065175 Inverse permutation to A065174.

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

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: A287865 A379727 A238086 * A065283 A352670 A268261

Adjacent sequences: A065172 A065173 A065174 * A065176 A065177 A065178

Keyword

nonn

Author

Antti Karttunen, Oct 19 2001

Status

approved