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 (2,3,3,...) and super- and subdiagonals (1,1,1,...).

A124733

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 (2,3,3,...) and super- and subdiagonals (1,1,1,...).

Terms

    a(0) =1a(1) =2a(2) =1a(3) =5a(4) =5a(5) =1a(6) =15a(7) =21a(8) =8a(9) =1a(10) =51a(11) =86a(12) =46a(13) =11a(14) =1a(15) =188a(16) =355a(17) =235a(18) =80a(19) =14a(20) =1a(21) =731a(22) =1488a(23) =1140a(24) =489a(25) =123a(26) =17a(27) =1a(28) =2950a(29) =6335

External references