Third column (m=3) of triangle S2hat(-4) = A144285.

A144340

Third column (m=3) of triangle S2hat(-4) = A144285.

Terms

    a(0) =1a(1) =4a(2) =52a(3) =712a(4) =13464a(5) =299520a(6) =8455392a(7) =273091392a(8) =10372138560a(9) =443940231168

External references