Column 3 of table A125860; also equals row sums of matrix power A097712^3.
A125863
Column 3 of table A125860; also equals row sums of matrix power A097712^3.
Terms
- a(0) =1a(1) =4a(2) =22a(3) =178a(4) =2251a(5) =46663a(6) =1640572a(7) =100152049a(8) =10794383587
External references
- oeis: A125863