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 (3,4,4,...) and super- and subdiagonals (1,1,1,...).

A124574

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 (3,4,4,...) and super- and subdiagonals (1,1,1,...).

Terms

    a(0) =1a(1) =3a(2) =1a(3) =10a(4) =7a(5) =1a(6) =37a(7) =39a(8) =11a(9) =1a(10) =150a(11) =204a(12) =84a(13) =15a(14) =1a(15) =654a(16) =1050a(17) =555a(18) =145a(19) =19a(20) =1a(21) =3012a(22) =5409a(23) =3415a(24) =1154a(25) =222a(26) =23a(27) =1a(28) =14445a(29) =28063

External references