First number in the n-th row of A172002.

Terms

a(0) =1a(1) =3a(2) =5a(3) =13a(4) =21a(5) =39a(6) =57a(7) =89a(8) =121a(9) =171a(10) =221a(11) =293a(12) =365a(13) =463a(14) =561a(15) =689a(16) =817a(17) =979a(18) =1141a(19) =1341a(20) =1541a(21) =1783a(22) =2025a(23) =2313a(24) =2601a(25) =2939a(26) =3277a(27) =3669a(28) =4061a(29) =4511