Triangle read by rows: row n is the first row of the matrix M[n]^(n-1), where M[n] is the n X n tridiagonal matrix with main diagonal (2,4,4,...) and super- and subdiagonals (1,1,1,...).
A124575
Triangle read by rows: row n is the first row of the matrix M[n]^(n-1), where M[n] is the n X n tridiagonal matrix with main diagonal (2,4,4,...) and super- and subdiagonals (1,1,1,...).
Terms
- a(0) =1a(1) =2a(2) =1a(3) =5a(4) =6a(5) =1a(6) =16a(7) =30a(8) =10a(9) =1a(10) =62a(11) =146a(12) =71a(13) =14a(14) =1a(15) =270a(16) =717a(17) =444a(18) =128a(19) =18a(20) =1a(21) =1257a(22) =3582a(23) =2621a(24) =974a(25) =201a(26) =22a(27) =1a(28) =6096a(29) =18206
External references
- oeis: A124575