Octagonal numbers which are the sums of exactly two positive octagonal numbers.

Terms

a(0) =560a(1) =736a(2) =1541a(3) =3201a(4) =5461a(5) =6816a(6) =7400a(7) =9976a(8) =11041a(9) =11408a(10) =13333a(11) =14981a(12) =15408a(13) =15841a(14) =19521a(15) =21000a(16) =21505a(17) =25761a(18) =28616a(19) =30401a(20) =41536a(21) =45141a(22) =50440a(23) =51221a(24) =52008a(25) =54405a(26) =56856a(27) =61920a(28) =63656a(29) =65416