A diagonal (unsigned) of triangle A385910; a(n) = -A385910(n+2,n) for n >= 1.
A385912
A diagonal (unsigned) of triangle A385910; a(n) = -A385910(n+2,n) for n >= 1.
Terms
- a(0) =1a(1) =8a(2) =49a(3) =296a(4) =1815a(5) =11284a(6) =70924a(7) =449616a(8) =2869779a(9) =18418400a(10) =118749345a(11) =768537120a(12) =4990021764a(13) =32489701776a(14) =212048505160
External references
- oeis: A385912