195352
domain: N
Appears in sequences
- G.f.: 3/(1 + 2*sqrt(1-12*x)).at n=6A035610
- Duplicate of A035610.at n=6A089023
- Expansion of c(3*x^2)/(1-x*c(3*x^2)), c(x) the g.f. of A000108.at n=12A128386
- Square array A(n,k) by antidiagonals. A(n,k) is the number of length 2n k-ary words (n,k>=0) that can be built by repeatedly inserting doublets into the initially empty word.at n=61A183135
- Cogrowth function of the group Baumslag-Solitar(6,6).at n=6A229648
- Cogrowth function of the group Baumslag-Solitar(7,7).at n=6A229649
- Cogrowth function of the group Baumslag-Solitar(8,8).at n=6A229650
- Cogrowth function of the group Baumslag-Solitar(9,9).at n=6A229651
- Cogrowth function of the group Baumslag-Solitar(10,10).at n=6A229652
- Cogrowth sequence of the Brin-Navas group B.at n=6A359705