8589934336
domain: N
Appears in sequences
- If an array is made of columns of -nacci sequences, fibo-, tribo- etc. all starting w. 1,1,2 etc, the NW to SE diagonals can be extended by computation. The above is diagonal 9. See A159741 for details.at n=25A159746
- Numerators of the positive solution to 2^(n-1) = Sum_{d|n} a(d) * a(n/d).at n=34A299151