Numbers expressible in more than one way as j*k + k*i + i*j, where 1 <=i < j < k.

Terms

a(0) =23a(1) =26a(2) =29a(3) =31a(4) =35a(5) =38a(6) =39a(7) =41a(8) =44a(9) =47a(10) =50a(11) =51a(12) =53a(13) =54a(14) =55a(15) =56a(16) =59a(17) =61a(18) =62a(19) =63a(20) =65a(21) =66a(22) =68a(23) =69a(24) =71a(25) =74a(26) =75a(27) =76a(28) =77a(29) =79