6953544

Appears in sequences

• a(n) = 6*(2*n+1)! / ((n!)^2*(n+3)).at n=11A007946
• Number of 2 X n matrices over GF(3) under row and column permutations.at n=25A052267
• Expansion of (1+x)/(1-x)^12.at n=14A057788
• a(n) = 6*(n+1)!/((3+floor(n/2))*(floor(n/2)!)^2).at n=22A242986