847660528

Appears in sequences

• a(n) = binomial coefficient C(2n, n-10).at n=10A004316
• a(n) = binomial(4n,n).at n=10A005810
• Binomial coefficient C(40,n).at n=10A010956
• Binomial coefficient C(n,30).at n=10A010983
• Expansion of (1-4*x)^(19/2).at n=30A020931
• Binomial coefficient ( n, squarefree kernel(n) ).at n=39A073354
• Symmetrical sequence:Binomial(n,5*m).at n=38A177809
• Binomial coefficients C(2*n+10,10).at n=15A196789