211692domain: NAppears in sequences"CIJ" (necklace, indistinct, labeled) transform of 3,3,3,3...at n=5A032183Triangle T(n, k, q) = Sum_{j=0..10} q^j * floor( binomial(n+1,k)*binomial(n-1,k-1)/(2^j*(n+1)) ) for q = 2, read by rows.at n=60A174044G.f. A(x) satisfies A(x) = 1 + x/(1+x^2)^2 * A(x)^2.at n=14A390132