70866960384
domain: N
Appears in sequences
- a(0)=0, a(1)=1, a(n) = n*2^(n-2) for n >= 2.at n=33A057711
- 8th binomial transform of (0,0,1,0,0,0, ...).at n=12A081138
- Third binomial transform of C(n+2,2).at n=16A081893
- Number of defective 3-colorings of an n X 2 0..2 array connected horizontally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.at n=16A229580
- (1/4) times the sum of the elements of all subsets of [n] whose sum is divisible by four.at n=32A309296
- Expansion of e.g.f. (1+x)*cosh(x)^2.at n=33A383608
- Expansion of e.g.f. cosh(x)^2*(x+x^2/2).at n=33A385601
- Expansion of e.g.f. cosh(x)^2*(1 + x + x^2/2).at n=33A386227