0,2
A022166 is the triangle of Gaussian binomial coefficients [n,k] for q = 2.
(PARI) {a(n)=local(q=2, A=matrix(2*n+1, 2*n+1, n, k, if(n>=k, if(n==1|k==1, 1, prod(j=n-k+1, n-1, 1-q^j)/prod(j=1, k-1, 1-q^j))))^-1); A[2*n+1, n+1]}
Cf. A135950; A022166.
Sequence in context: A082942 A000282 A140048 * A093245 A108231 A130894
Adjacent sequences: A135948 A135949 A135950 * A135952 A135953 A135954
sign
Paul D. Hanna (pauldhanna(AT)juno.com), Dec 08 2007
