Numbers of form i*j + j*k + k*i, where 1 <=i < j < k, including repetitions.

Terms

a(0) =11a(1) =14a(2) =17a(3) =19a(4) =20a(5) =23a(6) =23a(7) =26a(8) =26a(9) =27a(10) =29a(11) =29a(12) =31a(13) =31a(14) =32a(15) =34a(16) =35a(17) =35a(18) =36a(19) =38a(20) =38a(21) =39a(22) =39a(23) =41a(24) =41a(25) =41a(26) =43a(27) =44a(28) =44a(29) =44