Least number with the prime signature of the n-th Catalan number.
A278258
Least number with the prime signature of the n-th Catalan number.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =2a(4) =6a(5) =30a(6) =60a(7) =30a(8) =210a(9) =210a(10) =420a(11) =2310a(12) =4620a(13) =13860a(14) =360360a(15) =60060a(16) =1021020a(17) =9699690a(18) =58198140a(19) =223092870a(20) =446185740a(21) =446185740a(22) =892371480a(23) =1338557220a(24) =1338557220a(25) =6692786100a(26) =2677114440a(27) =12939386460a(28) =802241960520a(29) =802241960520
External references
- oeis: A278258