Number of hypoplactic classes of 3-parking functions of length n.

A243675

Number of hypoplactic classes of 3-parking functions of length n.

Terms

    a(0) =1a(1) =1a(2) =7a(3) =67a(4) =741a(5) =8909a(6) =113107a(7) =1492103a(8) =20251945a(9) =280978681a(10) =3967031839a(11) =56811348235a(12) =823250855181

External references