a(1)=2, a(2)=5; for n >= 3, a(n) is smallest number which is uniquely of the form a(j) + a(k) with 1 <= j < k < n.
A007300
a(1)=2, a(2)=5; for n >= 3, a(n) is smallest number which is uniquely of the form a(j) + a(k) with 1 <= j < k < n.
Terms
- a(0) =2a(1) =5a(2) =7a(3) =9a(4) =11a(5) =12a(6) =13a(7) =15a(8) =19a(9) =23a(10) =27a(11) =29a(12) =35a(13) =37a(14) =41a(15) =43a(16) =45a(17) =49a(18) =51a(19) =55a(20) =61a(21) =67a(22) =69a(23) =71a(24) =79a(25) =83a(26) =85a(27) =87a(28) =89a(29) =95
External references
- oeis: A007300