Number of base 28 circular n-digit numbers with adjacent digits differing by 1 or less.

A124783

Number of base 28 circular n-digit numbers with adjacent digits differing by 1 or less.

Terms

    a(0) =1a(1) =28a(2) =82a(3) =190a(4) =510a(5) =1358a(6) =3724a(7) =10304a(8) =28822a(9) =81190a(10) =230112a(11) =655364a(12) =1874160a(13) =5378128a(14) =15479098a(15) =44666150a(16) =129178822a(17) =374342918a(18) =1086721216a(19) =3159778004a(20) =9200609500a(21) =26824994540a(22) =78302400478a(23) =228812026154a(24) =669286986808

External references