Third column (m=3) of triangle S2hat(-1) = A144270.
A144273
Third column (m=3) of triangle S2hat(-1) = A144270.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =19a(4) =132a(5) =1119a(6) =12057a(7) =151560a(8) =2234970a(9) =37355130a(10) =702161460a(11) =14608747440a(12) =333760916475
External references
- oeis: A144273