Number of base 22 circular n-digit numbers with adjacent digits differing by 1 or less.

A124715

Number of base 22 circular n-digit numbers with adjacent digits differing by 1 or less.

Terms

    a(0) =1a(1) =22a(2) =64a(3) =148a(4) =396a(5) =1052a(6) =2878a(7) =7946a(8) =22180a(9) =62356a(10) =176394a(11) =501446a(12) =1431426a(13) =4100482a(14) =11781736a(15) =33940508a(16) =97999060a(17) =283533332a(18) =821804362a(19) =2385796886a(20) =6936333286a(21) =20192890166a(22) =58855587316a(23) =171732657416a(24) =501596968522

External references