Column 3 of triangle A129100; also equals column 0 of matrix power A129100^8.
A129103
Column 3 of triangle A129100; also equals column 0 of matrix power A129100^8.
Terms
- a(0) =1a(1) =8a(2) =72a(3) =880a(4) =16032a(5) =461992a(6) =21944520a(7) =1770483408a(8) =248136807776
External references
- oeis: A129103