Table read by antidiagonals: T(t,n) = number of t-metered parking functions of length n.

Terms

a(0) =1a(1) =1a(2) =3a(3) =1a(4) =3a(5) =21a(6) =1a(7) =3a(8) =16a(9) =209a(10) =1a(11) =3a(12) =16a(13) =163a(14) =2640a(15) =1a(16) =3a(17) =16a(18) =125a(19) =2142a(20) =40391a(21) =1a(22) =3a(23) =16a(24) =125a(25) =1686a(26) =33961a(27) =726103a(28) =1a(29) =3