60110030

Appears in sequences

• Coordination sequence for A_9 lattice.at n=9A008393
• a(n) = Sum_{i=0..n} C(n+1,i)*C(n-1,i-1)*C(2n-i,n).at n=9A103882
• Number of integer sequences of length n+1 with sum zero and sum of absolute values 18.at n=8A157058
• Number of permutations of 9 copies of 1..n with all adjacent differences <= 1 in absolute value.at n=3A177313