Number of base 25 circular n-digit numbers with adjacent digits differing by 1 or less.

A124718

Number of base 25 circular n-digit numbers with adjacent digits differing by 1 or less.

Terms

    a(0) =1a(1) =25a(2) =73a(3) =169a(4) =453a(5) =1205a(6) =3301a(7) =9125a(8) =25501a(9) =71773a(10) =203253a(11) =578405a(12) =1652793a(13) =4739305a(14) =13630417a(15) =39303329a(16) =113588941a(17) =328938125a(18) =954262789a(19) =2772787445a(20) =8068471393a(21) =23508942353a(22) =68578993897a(23) =200272341785a(24) =585441977665

External references