Column 4 of table A125800; also equals row sums of matrix power A078122^4.
A125802
Column 4 of table A125800; also equals row sums of matrix power A078122^4.
Terms
- a(0) =1a(1) =5a(2) =35a(3) =485a(4) =15200a(5) =1144664a(6) =215155493a(7) =103674882878
External references
- oeis: A125802