Column 2 of table A125790; also equals row sums of matrix power A078121^2.
A125792
Column 2 of table A125790; also equals row sums of matrix power A078121^2.
Terms
- a(0) =1a(1) =3a(2) =9a(3) =35a(4) =201a(5) =1827a(6) =27337a(7) =692003a(8) =30251721a(9) =2320518947a(10) =316359580361
External references
- oeis: A125792