Triangle read by rows: T(n,k) is the number of oriented colorings of the edges of a regular n-dimensional simplex using exactly k colors. Row n has (n+1)*n/2 columns.
A327087
Triangle read by rows: T(n,k) is the number of oriented 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) =2a(4) =1a(5) =10a(6) =54a(7) =136a(8) =150a(9) =60a(10) =1a(11) =38a(12) =1080a(13) =14040a(14) =85500a(15) =274104a(16) =493920a(17) =504000a(18) =272160a(19) =60480a(20) =1a(21) =182a(22) =42111a(23) =2848060a(24) =70361815a(25) =841626366a(26) =5722670282a(27) =24262499520a(28) =67665563280a(29) =127639512000
External references
- oeis: A327087