Triangle read by rows: T(n,k) is the number of chiral pairs of colorings of the edges of a regular n-dimensional simplex using exactly k colors. Row n has (n+1)*n/2 columns.

A327089

Triangle read by rows: T(n,k) is the number of chiral pairs of colorings of the edges of a regular n-dimensional simplex using exactly k colors. Row n has (n+1)*n/2 columns.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =1a(4) =0a(5) =1a(6) =18a(7) =62a(8) =75a(9) =30a(10) =0a(11) =6a(12) =387a(13) =6320a(14) =41350a(15) =135792a(16) =246540a(17) =252000a(18) =136080a(19) =30240a(20) =0a(21) =28a(22) =17070a(23) =1347200a(24) =34546670a(25) =418081188a(26) =2854567996a(27) =12121240320a(28) =33824042280a(29) =63815598000

External references