Number of length n primitive (=aperiodic or period n) 7-ary words which are earlier in lexicographic order than any other word derived by cyclic shifts of the alphabet.
A320072
Number of length n primitive (=aperiodic or period n) 7-ary words which are earlier in lexicographic order than any other word derived by cyclic shifts of the alphabet.
Terms
- a(0) =1a(1) =6a(2) =48a(3) =336a(4) =2400a(5) =16752a(6) =117648a(7) =823200a(8) =5764752a(9) =40351200a(10) =282475248a(11) =1977309600a(12) =13841287200a(13) =96888892752a(14) =678223070400
External references
- oeis: A320072