Number of nX2 1..5 arrays containing at least one of each value, all equal values connected, and rows considered as a single number in nondecreasing order.
A166778
Number of nX2 1..5 arrays containing at least one of each value, all equal values connected, and rows considered as a single number in nondecreasing order.
Terms
- a(0) =0a(1) =0a(2) =160a(3) =1245a(4) =5326a(5) =16876a(6) =44382a(7) =102609a(8) =215668a(9) =421056a(10) =774852a(11) =1358269a(12) =2285778a(13) =3715036a(14) =5858866a(15) =8999553a(16) =13505736a(17) =19852192a(18) =28642824a(19) =40637181a(20) =56780854a(21) =78240108a(22) =106441126a(23) =143114257a(24) =190343676a(25) =250622880
External references
- oeis: A166778