Double q-form product triangle:q=2;c(n,q)=Product[(1 - q^i)*(1 - q^(i - 1)), {i, 2, n}];t(n,m,q)=c(n,q)/(c(m,q)*c(n-m,q)).

A173884

Double q-form product triangle:q=2;c(n,q)=Product[(1 - q^i)*(1 - q^(i - 1)), {i, 2, n}];t(n,m,q)=c(n,q)/(c(m,q)*c(n-m,q)).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =1a(7) =21a(8) =21a(9) =1a(10) =1a(11) =105a(12) =735a(13) =105a(14) =1a(15) =1a(16) =465a(17) =16275a(18) =16275a(19) =465a(20) =1a(21) =1a(22) =1953a(23) =302715a(24) =1513575a(25) =302715a(26) =1953a(27) =1a(28) =1a(29) =8001

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