A269120 Number of sequences with 10 copies each of 1,2,...,n avoiding the pattern 12...n.

0, 0, 1, 1004849563, 7541872062618216079, 370243779118368267931211789686, 91050643996464879303067913358954122530151, 90098061524165913059428708258834814271005531460359720, 302407545158616421950876578542740909974755462890611522604756347847

Offset: 0

Author

Alois P. Heinz, Feb 19 2016

Keywords

• nonn

Links

• Alois P. Heinz, Table of n, a(n) for n = 0..60

Crossrefs

Column k=10 of A269129.

Cf. A268853.

Formula

a(n) = (10*n)!/10!^n - A268853(n).