Column 0 of the matrix square of triangle A152391.
A152395
Column 0 of the matrix square of triangle A152391.
Terms
- a(0) =1a(1) =2a(2) =10a(3) =54a(4) =324a(5) =2130a(6) =15102a(7) =114282a(8) =915016a(9) =7701570a(10) =67785410a(11) =621241302a(12) =5907779100a(13) =58122866490a(14) =590120962494
External references
- oeis: A152395