Triangular matrix T, read by rows, where row n of T equals row (n-1) of T^(n+1) with an appended '1'.
A121412
Triangular matrix T, read by rows, where row n of T equals row (n-1) of T^(n+1) with an appended '1'.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =1a(5) =1a(6) =18a(7) =4a(8) =1a(9) =1a(10) =170a(11) =30a(12) =5a(13) =1a(14) =1a(15) =2220a(16) =335a(17) =45a(18) =6a(19) =1a(20) =1a(21) =37149a(22) =4984a(23) =581a(24) =63a(25) =7a(26) =1a(27) =1a(28) =758814a(29) =92652
External references
- oeis: A121412