Starting from the standard 12 against 12 starting position in checkers, the sequence gives the number of distinct positions that can arise after n moves.
A133047
Starting from the standard 12 against 12 starting position in checkers, the sequence gives the number of distinct positions that can arise after n moves.
Terms
- a(0) =1a(1) =7a(2) =49a(3) =216a(4) =805a(5) =2733a(6) =9105a(7) =28123a(8) =85340a(9) =255800a(10) =768155a(11) =2265062a(12) =6588759a(13) =18667410a(14) =51448497a(15) =137051636a(16) =353575584a(17) =878804335a(18) =2113497469a(19) =4908984819a(20) =11049271004a(21) =24062242901a(22) =50742319631
External references
- oeis: A133047