1,3

Arises in sorting cards in a bridge hand; also in computational biology because block moves are a fundamental type of mutation.

H. Eriksson et al., Sorting a bridge hand, Discrete Math., 241 (2001), 289-300.

Index entries for sequences related to sorting

It is conjectured that a(n) = ceiling((n+1)/2) for n >= 3 except for n = 13 and 15.

Sequence in context: A005410 A120835 A091374 this_sequence A084242 A071823 A139338

Adjacent sequences: A065600 A065601 A065602 this_sequence A065604 A065605 A065606

nonn,nice,more

njas, Dec 02 2001