Largest squared prime factor of the odd Catalan number (A038003(n)) or 1, if it is squarefree.
A119908
Largest squared prime factor of the odd Catalan number (A038003(n)) or 1, if it is squarefree.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =1a(4) =11a(5) =13a(6) =13a(7) =29a(8) =43a(9) =61a(10) =79a(11) =107a(12) =181a(13) =251a(14) =359a(15) =509a(16) =719a(17) =1021a(18) =1447a(19) =2039a(20) =2887a(21) =4093a(22) =5717a(23) =8179a(24) =11579
External references
- oeis: A119908