76281004800
domain: N
Appears in sequences
- Differences between partial products of Gray code (A048642) and factorials (A000142).at n=14A048643
- Number of leading odd entries in all permutations of {1,2,...,n} (see example).at n=13A152663
- Number of leading even entries in all permutations of {1,2,...,n}.at n=13A152665
- E.g.f. satisfies: A(x) = Integral 1 + A(x)^7 dx.at n=2A259112
- Number of nonisomorphic edge colorings of the Petersen graph with exactly n colors.at n=13A270843
- a(n) = (n+1)*(2*n+2)!/(n+2).at n=6A274136