79344
domain: N
Appears in sequences
- Totient of the Woodall numbers (A003261), n*2^n -1.at n=12A056821
- Numbers k such that if you subtract k-reversed from k you get a natural number with the same digits as k.at n=26A121969
- Triangle read by rows: T(n,m) = (-1)^n*Sum_{i=0..m} (-1)^(m-i)*binomial(n-i-1, m-i)*Stirling_1(n+i+1,i+1), for 0 <= m <= n.at n=29A156528
- Number of non-attacking bishop positions on a 3 X n chessboard.at n=9A287120
- Number of quadrilateral regions into which a figure made up of a row of n adjacent congruent rectangles is divided upon drawing diagonals of all possible rectangles.at n=30A324043