Second column (m=2) of triangle S2hat(-4) = A144285.
A144339
Second column (m=2) of triangle S2hat(-4) = A144285.
Terms
- a(0) =1a(1) =4a(2) =52a(3) =648a(4) =12888a(5) =286272a(6) =8182944a(7) =266366016a(8) =10191545280a(9) =437925035520
External references
- oeis: A144339