Row sums of A078938.

A078940

Row sums of A078938.

Terms

    a(0) =1a(1) =4a(2) =19a(3) =103a(4) =622a(5) =4117a(6) =29521a(7) =227290a(8) =1865881a(9) =16239523a(10) =149142952a(11) =1439618143a(12) =14555631781a(13) =153700654036

External references