Additive bases: a(n) is the least integer such that there is an n-element set of nonnegative integers, the sums of pairs (of distinct elements) of which are distinct and at most a(n).

A004133

Additive bases: a(n) is the least integer such that there is an n-element set of nonnegative integers, the sums of pairs (of distinct elements) of which are distinct and at most a(n).

Terms

    a(0) =1a(1) =3a(2) =6a(3) =11a(4) =19a(5) =31a(6) =43a(7) =63a(8) =80a(9) =110a(10) =138a(11) =169a(12) =202a(13) =241a(14) =288a(15) =330

External references