Square array read by antidiagonals: a(p,n) is the number of inversions in all p-ary words of length n on {0,1,2,...,p-1} (p>=2, n>=2).
A181372
Square array read by antidiagonals: a(p,n) is the number of inversions in all p-ary words of length n on {0,1,2,...,p-1} (p>=2, n>=2).
Terms
- a(0) =1a(1) =3a(2) =6a(3) =6a(4) =27a(5) =24a(6) =10a(7) =72a(8) =162a(9) =80a(10) =15a(11) =150a(12) =576a(13) =810a(14) =240a(15) =21a(16) =270a(17) =1500a(18) =3840a(19) =3645a(20) =672a(21) =28a(22) =441a(23) =3240a(24) =12500a(25) =23040a(26) =15309a(27) =1792a(28) =36a(29) =672
External references
- oeis: A181372