Modified linear phone booth sequence: number of ways to occupy n phone booths in a row, one by one, each time picking a phone booth adjacent to the smallest number of previously occupied phone booths.

A192008

Modified linear phone booth sequence: number of ways to occupy n phone booths in a row, one by one, each time picking a phone booth adjacent to the smallest number of previously occupied phone booths.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =8a(4) =32a(5) =96a(6) =456a(7) =2016a(8) =11232a(9) =61632a(10) =419328a(11) =2695680a(12) =21358080a(13) =161049600a(14) =1433894400a(15) =12429158400a(16) =123511910400

External references