48234496
domain: N
Appears in sequences
- a(0)=0, a(1)=1, a(n) = n*2^(n-2) for n >= 2.at n=23A057711
- Numbers n such that A067824(n) = n.at n=39A122408
- Binomial transform of A124625.at n=23A129952
- 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=11A229580
- Expansion of x*(5+x+x^2)/(1-2*x).at n=24A248646
- Positive solution to 2^(n-1) = (1/n) * Sum_{d|n} a(d) * a(n/d).at n=22A299119
- Expansion of e.g.f. (1+x)*cosh(x)^2.at n=23A383608
- Expansion of e.g.f. cosh(x)^2*(x+x^2/2).at n=23A385601
- Expansion of e.g.f. cosh(x)^2*(1 + x + x^2/2).at n=23A386227