174356582400
domain: N
Appears in sequences
- a(n) = n!/5!.at n=11A001725
- a(n) = (n-1)*(n+1)!/6.at n=12A005990
- a(n) = (3*n+1)! / (24*n).at n=4A028917
- Expansion of e.g.f. (1-x)/(1-x-x^3).at n=13A052557
- Expansion of e.g.f. (2 + x)/(1 - x^2).at n=14A052566
- Expansion of e.g.f. (2+x^3-x^4)/(1-x).at n=14A052628
- Expansion of e.g.f. x^2*(2+x-x^2)/(1-x).at n=14A052642
- E.g.f. 2*x^2*(1+x-x^2)/(1-x).at n=14A052645
- Expansion of e.g.f. 2*x^4/(1-x).at n=14A052683
- a(0) = 0; a(n) = 2*n! (n >= 1).at n=14A052849
- Expansion of e.g.f. (1+x)/(1-x).at n=14A098558
- a(n) = meantorial(n) = the product of the set of n closest numbers with an arithmetic mean of n.at n=10A110347
- a(n) = (n*(n+1)/2+1)!/n!.at n=5A129933
- a(n) = A131120(n+1)/n.at n=28A131121
- a(n) = A131120(n+1)/n.at n=29A131121
- Number of descents beginning with an even number and ending with an odd number in all permutations of {1,2,...,n}.at n=13A152887
- Number of permutations of n > 1 having exactly 2 points on the boundary of their bounding square.at n=14A208529
- n*n!/round(n/2).at n=13A256880
- Denominators of coefficients for central differences M_{5}'^(2*n+1).at n=6A323998
- Denominator of 120*Stirling_2(n,5)/n!.at n=12A324006