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A176467 A symmetrical triangle:q=2;c(n,q)=Product[1 - q^i, {i, 1, n}];t(n,m,q)=A060187(n,m)-c(n,q)/(c(m,q)*c(n-m,q))+1 0

%I #2 Mar 30 2012 17:34:40

%S 1,1,1,1,4,1,1,17,17,1,1,62,196,62,1,1,207,1528,1528,207,1,1,660,9893,

%T 22154,9893,660,1,1,2053,57991,247913,247913,57991,2053,1,1,6298,

%U 320818,2388134,4474228,2388134,320818,6298,1,1,19163,1712906,20919938

%N A symmetrical triangle:q=2;c(n,q)=Product[1 - q^i, {i, 1, n}];t(n,m,q)=A060187(n,m)-c(n,q)/(c(m,q)*c(n-m,q))+1

%C Row sums are:

%C {1, 2, 6, 36, 322, 3472, 43262, 615916, 9904730, 177511112, 3486135606,...}.

%F q=2;

%F c(n,q)=Product[1 - q^i, {i, 1, n}];

%F t(n,m,q)=A060187(n,m)-c(n,q)/(c(m,q)*c(n-m,q))+1

%e {1},

%e {1, 1},

%e {1, 4, 1},

%e {1, 17, 17, 1},

%e {1, 62, 196, 62, 1},

%e {1, 207, 1528, 1528, 207, 1},

%e {1, 660, 9893, 22154, 9893, 660, 1},

%e {1, 2053, 57991, 247913, 247913, 57991, 2053, 1},

%e {1, 6298, 320818, 2388134, 4474228, 2388134, 320818, 6298, 1},

%e {1, 19163, 1712906, 20919938, 66103548, 66103548, 20919938, 1712906, 19163, 1},

%e {1, 58016, 8941891, 171953190, 853179296, 1417870818, 853179296, 171953190, 8941891, 58016, 1}

%t (*A060187*);

%t p[x_, n_] = (1 - x)^(n + 1)*Sum[(2*k + 1)^n*x^k, {k, 0, Infinity}];

%t f[n_, m_] := CoefficientList[FullSimplify[ExpandAll[p[x, n]]], x][[m + 1]];

%t c[n_, q_] = Product[1 - q^i, {i, 1, n}];

%t t[n_, m_, q_] := f[n, m] - c[n, q]/(c[m, q]*c[n - m, q]) + 1;

%t Table[Flatten[Table[Table[t[n, m, q], {m, 0, n}], {n, 0, 10}]], {q, 2, 12}]

%Y Cf. A060187

%K nonn,tabl,uned

%O 0,5

%A _Roger L. Bagula_, Apr 18 2010

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Last modified April 25 13:34 EDT 2024. Contains 371971 sequences. (Running on oeis4.)