Square array T[i+1,j] = prime(T[i,j]), T[1,j] = j-th nonprime = A018252(j); read by upward antidiagonals.
A138947
Square array T[i+1,j] = prime(T[i,j]), T[1,j] = j-th nonprime = A018252(j); read by upward antidiagonals.
Terms
- a(0) =1a(1) =4a(2) =2a(3) =6a(4) =7a(5) =3a(6) =8a(7) =13a(8) =17a(9) =5a(10) =9a(11) =19a(12) =41a(13) =59a(14) =11a(15) =10a(16) =23a(17) =67a(18) =179a(19) =277a(20) =31a(21) =12a(22) =29a(23) =83a(24) =331a(25) =1063a(26) =1787a(27) =127a(28) =14a(29) =37
External references
- oeis: A138947