6760390
domain: N
Appears in sequences
- a(n) = Sum_{j=0..n} (n+j)*binomial(n+j,j).at n=10A002737
- Central numbers in the (2,3)-Pascal triangle A029600.at n=12A029609
- Denominators of partial sums of reciprocals of primorial numbers.at n=8A064647
- Expansion of (1+x*C)*C^4, where C = (1-(1-4*x)^(1/2))/(2*x) is g.f. for Catalan numbers, A000108.at n=12A070857
- The radical of the swinging factorial A056040 for odd indices.at n=12A163640
- The radical of the swinging factorial A056040.at n=25A163641
- Products of primes the squares of which are Fermi-Dirac divisors of n!at n=45A240505
- Products of primes the squares of which are Fermi-Dirac divisors of n!at n=46A240505
- G.f. A(x) satisfies A(x) = 1 + x^4*(1+x)*A(x)^2.at n=46A366589
- Squarefree numbers k such that A322582(k) <= A276085(k) <= A348507(k).at n=15A392607