Positive integers m such that pi(k^3) + pi(m^3) is a cube for some k = 1,...,m, where pi(x) denotes the number of primes not exceeding x.
A262698
Positive integers m such that pi(k^3) + pi(m^3) is a cube for some k = 1,...,m, where pi(x) denotes the number of primes not exceeding x.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =24a(4) =41a(5) =51a(6) =88a(7) =95a(8) =99a(9) =179a(10) =183a(11) =663a(12) =782a(13) =829a(14) =1339a(15) =2054a(16) =2816a(17) =7918a(18) =8474a(19) =13264a(20) =16664a(21) =27415a(22) =39514a(23) =48606a(24) =51145a(25) =187222a(26) =200906a(27) =261980a(28) =353209a(29) =375162
External references
- oeis: A262698