100182

Appears in sequences

• 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, 0), (0, 0, 1), (0, 1, -1), (1, 0, -1), (1, 1, 0)}.at n=9A150342
• Number of nXnXn triangular 0..6 arrays with no element equal to the sum or difference mod 7 of any two of its neighbors.at n=3A193836
• a(n) = Sum_{d|n} Sum{t|d} moebius(d/t)*binomial(3*t,t)/(3*d^2).at n=9A244035
• Number of non-isomorphic multiset partitions of weight n with at most 2 distinct vertices, or with at most 2 (not necessarily distinct) edges.at n=18A323655