4151347200
domain: N
Appears in sequences
- Denominators of coefficients in Taylor series for exp(sin(x)).at n=14A047688
- a(n) = (n+7)!/7!.at n=9A049388
- Expansion of e.g.f. (1 - x - sqrt(1-2*x+x^2-4*x^3))/(2*x).at n=11A052723
- Magic products of 7 X 7 multiplicative magic squares.at n=1A113027
- a(n) = (2n)! / (n-1)!.at n=7A126804
- a(n) = lcm(b(0),b(1),b(2),...,b(n)), where b(m) = A130479(m).at n=15A130480
- Array t(n,m)=(n*m)!/(n + m - 1)! read by antidiagonals.at n=24A177939
- Number of permutations of 1..n with no element e[i>=2]<e[1+floor((i-2)/6)] (6-way heap).at n=15A178011
- a(1) =1; for n>=1: a(n) = product of numbers k <= sigma(n) such that k is not equal to sigma(d) for any divisor d of n where sigma = A000203.at n=7A206033
- E.g.f.: exp(x^3/(x-1)).at n=13A293118
- Smaller of two successive terms of A025487 that have an equal number of divisors.at n=19A375196