Binomial coefficients: C(n,k), 2 <= k <= n-2, sorted.

Terms

a(0) =6a(1) =10a(2) =10a(3) =15a(4) =15a(5) =20a(6) =21a(7) =21a(8) =28a(9) =28a(10) =35a(11) =35a(12) =36a(13) =36a(14) =45a(15) =45a(16) =55a(17) =55a(18) =56a(19) =56a(20) =66a(21) =66a(22) =70a(23) =78a(24) =78a(25) =84a(26) =84a(27) =91a(28) =91a(29) =105