A268871 Number of sequences in {1,...,n}^n with longest increasing subsequence of length four.

1, 96, 4501, 161876, 5179791, 157279903, 4678809652, 138712471261, 4137680201304, 124857897038252, 3823102196348462, 118974270767513360, 3765555655525713427, 121224440332571253975, 3968401901135750428284, 132031213465208461376221, 4461459275271493097987384

Offset: 4

Author

Alois P. Heinz, Feb 15 2016

Keywords

• nonn

Links

• Alois P. Heinz, Table of n, a(n) for n = 4..50

Crossrefs

Column k=4 of A245667.