// output of ./demo/bits/bit-paper-fold-demo.cc:
// Description:
//% Generate the paper-folding sequence.
//% Cf. OEIS sequences A014577, A014707, A091072, and A091067.

arg 1: 65 == n  [Number of bits generated]  default=65
11.11..111..1..111.11...11..1..111.11..111..1...11.11...11..1..11
