0,17

Row sums are:

{1, 2, 1, 4, 3, 2, 10, 6, 2, 16, 9,...}.

m=2;q=3; p(x,n)=CartanDn(x,n);

t(n,k)=If[m == 0, n!, Product[p(m+1),k), {k, 1, n}]];

b(n,k,m)=If[n == 0, 1, t[n, m]/(t[k, m]*t[n - k, m])].

{1},

{1, 1},

{1, -1, 1},

{1, 1, 1, 1},

{1, 1, -1, 1, 1},

{1, -2, 2, 2, -2, 1},

{1, 1, 2, 2, 2, 1, 1},

{1, 1, -1, 2, 2, -1, 1, 1},

{1, -2, 2, 2, -4, 2, 2, -2, 1},

{1, 1, 2, 2, 2, 2, 2, 2, 1, 1},

{1, 1, -1, 2, 2, -1, 2, 2, -1, 1, 1}

Clear[t, n, m, i, k, a, b];

T[n_, m_, d_] := If[ n == m, 2, If[(m == d && n == d - 2) || (n == d && m == d - 2), -1, If[(n == m - 1 || n == m + 1) && n <= d - 1 && m <= d - 1, -1, 0]]];

M[d_] := Table[T[n, m, d], {n, 1, d}, {m, 1, d}];

p[x_, n_] := If[n == 0, 1, CharacteristicPolynomial[M[n], x]];

a0 = Table[p[x, n], {n, 0, 20}] /. x -> m + 1;

t[n_, m_] = If[m == 0, n!, Product[a0[[k]], {k, 1, n}]];

b[n_, k_, m_] = If[n == 0, 1, t[n, m]/(t[k, m]*t[n - k, m])];

Table[Flatten[Table[Table[b[n, k, m], {k, 0, n}], {n, 0, 10}]], {m, 0, 15}]

Sequence in context: A030368 A037805 A106825 this_sequence A112505 A104638 A057155

Adjacent sequences: A156605 A156606 A156607 this_sequence A156609 A156610 A156611

sign,tabl,uned

Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Feb 11 2009