461056

Appears in sequences

• Matrix square of triangle A107671.at n=6A107674
• Column 0 of triangle A107674.at n=3A107675
• a(n) = 4*a(n-1) + 4*a(n-2) for n > 1; a(0) = 1, a(1) = 8.at n=8A164545
• a(n) = ceiling(A000931(n)/2).at n=51A173692
• 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=21A323655
• T(n,k) = V(n,k)/k!, where V(n,k) = k^(n*k) - Sum_{t=1..k-1} binomial(k,t)*k^(n*(k-t))*V(n,t) for n, k >= 1; square array T read by upwards antidiagonals.at n=18A342202