53184
domain: N
Appears in sequences
- Coordination sequence for root lattice B_4.at n=12A022146
- Numbers whose base-4 representation contains exactly four 0's and four 3's.at n=19A045085
- a(n) = A080315(n) - 2^A000523(A080315(n)), i.e., the terms of A080315 without their most significant bit.at n=11A080316
- A014486-encoding of the Catalan mountain ranges with only even-length slopes allowed.at n=13A083932
- Total number of highest scorers in all 2^(n(n-1)/2) tournaments with n players.at n=5A125031
- Number T(n,k) of partitions of n into parts of exactly k sorts; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=40A255970
- Number of labeled n-vertex digraphs (with loops) containing a (directed) Hamiltonian path.at n=4A326214
- Expansion of Product_{k>=1} (Product_{j=1..k} (1 + x^(k*j))^(k*j)).at n=19A327065
- a(n) is the number of tetrapods standing on the four edges of an n X n grid, so that no two feet are the same distance apart and no foot is on a corner. Tetrapods with congruent footprints are counted only once.at n=25A353447
- Number of 2n-step walks from (0, 0) to (0, 0) on square lattice with winding number zero around (1/2, 1/2).at n=5A387361