1360800000

Appears in sequences

• Triangle read by rows: T(n,k) (n>=1, 3<=k<=n+2) is the number of k-sequences of balls colored with n colors such that exactly two balls are of a color seen previously in the sequence.at n=52A281944
• Odd bisection of A278243: a(n) = A046523(A277324(n)).at n=41A284573
• Products m of primorials (i.e., m in A025487) such that both m-1 and m+1 are not squarefree.at n=4A386526
• Numbers k in A055932 such that both k-1 and k+1 are not squarefree.at n=10A386527