A274299 A bisection of A002326.

2, 3, 10, 4, 18, 11, 18, 5, 12, 12, 14, 23, 8, 20, 58, 6, 66, 35, 20, 39, 82, 28, 12, 36, 30, 51, 106, 36, 44, 24, 20, 7, 130, 36, 138, 60, 42, 15, 20, 52, 162, 83, 18, 60, 178, 60, 40, 95, 12, 99, 84, 66, 210, 28, 18, 37, 226, 30, 92, 119, 162, 36, 50, 8, 36, 131, 22, 135, 20, 30, 94, 60, 48, 116

Offset

0,1

Links

Alois P. Heinz, Table of n, a(n) for n = 0..10000

Steve Butler, Persi Diaconis and R. L. Graham, The mathematics of the flip and horseshoe shuffles, arXiv:1412.8533 [math.CO], 2014.

Steve Butler, Persi Diaconis and R. L. Graham, The mathematics of the flip and horseshoe shuffles, The American Mathematical Monthly 123.6 (2016): 542-556.

Mathematica

MultiplicativeOrder[2, 4 n + 3] # Stan Wagon, Jun 24 2016

Crossrefs

Cf. A002326, A007346, A274298.

Sequence in context: A306465 A276104 A329804 * A119023 A213962 A216937

Adjacent sequences: A274296 A274297 A274298 * A274300 A274301 A274302

Keyword

nonn

Author

N. J. A. Sloane, Jun 20 2016

Status

approved