T(n, k) = [x^k] n! [t^n] 1/(exp((V*(2 + 2*t + V))/(4*t))*sqrt(1 + V)) where V = W(-2*t*x) and W denotes the Lambert function. Table read by rows, T(n, k) for 0 <= k <= n.
A343806
T(n, k) = [x^k] n! [t^n] 1/(exp((V*(2 + 2*t + V))/(4*t))*sqrt(1 + V)) where V = W(-2*t*x) and W denotes the Lambert function. Table read by rows, T(n, k) for 0 <= k <= n.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =6a(5) =14a(6) =1a(7) =12a(8) =66a(9) =172a(10) =1a(11) =20a(12) =192a(13) =1080a(14) =3036a(15) =1a(16) =30a(17) =440a(18) =4040a(19) =23580a(20) =69976a(21) =1a(22) =42a(23) =870a(24) =11600a(25) =106620a(26) =644568a(27) =1991656a(28) =1a(29) =56
External references
- oeis: A343806