Number of base 21 n-digit numbers with adjacent digits differing by four or less.
A126516
Number of base 21 n-digit numbers with adjacent digits differing by four or less.
Terms
- a(0) =1a(1) =21a(2) =169a(3) =1401a(4) =11729a(5) =98733a(6) =833745a(7) =7053777a(8) =59744071a(9) =506355371a(10) =4293250829a(11) =36409762185a(12) =308822547173
External references
- oeis: A126516