0,3

Transforms binary-interleaved pair numbers into diagonal pair numbers.

Table of n, a(n) for n=0..71.

Index entries for sequences that are permutations of the natural numbers

a(3)=4 so A054238(4)=3.

Inverse of A054238.

Sequence in context: A217122 A239622 A245604 * A305424 A048680 A178898

Adjacent sequences: A054236 A054237 A054238 * A054240 A054241 A054242

easy,nonn,tabl

Marc LeBrun, Feb 07 2000

approved