1-parking triangle T(r, i, 1) read by rows: T(r, i, k) = (r + 1)^(i-1)*binomial(k*(r + 1) + r - i - 1, r - i) with k = 1 and 0 <= i <= r.
A329057
1-parking triangle T(r, i, 1) read by rows: T(r, i, k) = (r + 1)^(i-1)*binomial(k*(r + 1) + r - i - 1, r - i) with k = 1 and 0 <= i <= r.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =3a(6) =5a(7) =10a(8) =16a(9) =16a(10) =14a(11) =35a(12) =75a(13) =125a(14) =125a(15) =42a(16) =126a(17) =336a(18) =756a(19) =1296a(20) =1296a(21) =132a(22) =462a(23) =1470a(24) =4116a(25) =9604a(26) =16807a(27) =16807a(28) =429a(29) =1716
External references
- oeis: A329057