Fourth column of second-order Eulerian triangle A008517 divided by 4.

A112499

Fourth column of second-order Eulerian triangle A008517 divided by 4.

Terms

    a(0) =6a(1) =111a(2) =1100a(3) =8030a(4) =48950a(5) =265625a(6) =1331540a(7) =6310976a(8) =28719094a(9) =126814819a(10) =547457452a(11) =2323131730a(12) =9729382150a(13) =40335953245a(14) =165915269268a(15) =678306115284

External references