Triangle read by rows: T(n,k) is the number of unoriented colorings of the edges of a regular n-dimensional simplex using exactly k colors. Row n has (n+1)*n/2 columns.
A327088
Triangle read by rows: T(n,k) is the number of unoriented 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) =1a(1) =1a(2) =2a(3) =1a(4) =1a(5) =9a(6) =36a(7) =74a(8) =75a(9) =30a(10) =1a(11) =32a(12) =693a(13) =7720a(14) =44150a(15) =138312a(16) =247380a(17) =252000a(18) =136080a(19) =30240a(20) =1a(21) =154a(22) =25041a(23) =1500860a(24) =35815145a(25) =423545178a(26) =2868102286a(27) =12141259200a(28) =33841521000a(29) =63823914000
External references
- oeis: A327088