a(n) is the number of prime sets such that each set contains enough prime numbers to decompose every even number from 6 to 2n into the sum of two of its elements (reuse allowed), while none of the sets is a subset of another such set.
A237638
a(n) is the number of prime sets such that each set contains enough prime numbers to decompose every even number from 6 to 2n into the sum of two of its elements (reuse allowed), while none of the sets is a subset of another such set.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =2a(6) =2a(7) =3a(8) =4a(9) =4a(10) =5a(11) =6a(12) =6a(13) =9a(14) =11a(15) =11a(16) =11a(17) =13a(18) =16a(19) =23a(20) =25a(21) =31a(22) =47a(23) =57a(24) =63a(25) =70a(26) =74a(27) =79a(28) =82a(29) =122
External references
- oeis: A237638