a(n) is the largest prime 2^(n-1) <= p < 2^n maximizing the Hamming weight of all primes in this interval.
A333877
a(n) is the largest prime 2^(n-1) <= p < 2^n maximizing the Hamming weight of all primes in this interval.
Terms
- a(0) =3a(1) =7a(2) =13a(3) =31a(4) =61a(5) =127a(6) =251a(7) =509a(8) =1021a(9) =2039a(10) =4093a(11) =8191a(12) =16381a(13) =32749a(14) =65519a(15) =131071a(16) =262139a(17) =524287a(18) =1048573a(19) =2097143a(20) =4194301a(21) =8388587a(22) =16777213a(23) =33546239a(24) =67108859a(25) =134217467a(26) =260046847a(27) =536870909a(28) =1073741567a(29) =2147483647
External references
- oeis: A333877