45866
domain: N
Appears in sequences
- Coordination sequence for 4-dimensional face-centered cubic orthogonal lattice.at n=19A008529
- a(n) = a(n-1) + a(m) for n >= 4, where m = 2*n - 2 - 2^(p+1) and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = 1, a(2) = 2, and a(3) = 4.at n=35A050055
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 1), (0, 0, -1), (1, 0, 0), (1, 1, -1)}.at n=10A148397
- Number of length n arrays x(i), i=1..n with x(i) in i..i+5 and no value appearing more than 3 times.at n=5A250358
- T(n,k)=Number of length n arrays x(i), i=1..n with x(i) in i..i+k and no value appearing more than 3 times.at n=50A250361
- Number of length 6 arrays x(i), i=1..6 with x(i) in i..i+n and no value appearing more than 3 times.at n=4A250364
- Expansion of the o.g.f. (1 + 8*x + 10*x^2 + 8*x^3 + x^4)/((1 - x)^4*(1 + x)^2).at n=33A342362
- Triangle read by rows: T(n,k) is the number of non-isomorphic multiset partitions of weight n with k parts and no singletons or vertices that appear only once, 0 <= k <= floor(n/2).at n=61A369287