Triangle read by rows, where t(n,1) = 1, t(n,m) = t(n,m-1) + (largest nonprime {1 or composite} in row {n-1}).
A120853
Triangle read by rows, where t(n,1) = 1, t(n,m) = t(n,m-1) + (largest nonprime {1 or composite} in row {n-1}).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =2a(5) =3a(6) =1a(7) =2a(8) =3a(9) =4a(10) =1a(11) =5a(12) =9a(13) =13a(14) =17a(15) =1a(16) =10a(17) =19a(18) =28a(19) =37a(20) =46a(21) =1a(22) =47a(23) =93a(24) =139a(25) =185a(26) =231a(27) =277a(28) =1a(29) =232
External references
- oeis: A120853