Birthday set of order 9: i.e., numbers congruent to +- 1 modulo 2, 3, 4, 5, 6, 7, 8 and 9.

Terms

a(0) =1a(1) =71a(2) =449a(3) =559a(4) =631a(5) =881a(6) =1009a(7) =1079a(8) =1441a(9) =1511a(10) =1639a(11) =1889a(12) =1961a(13) =2071a(14) =2449a(15) =2519a(16) =2521a(17) =2591a(18) =2969a(19) =3079a(20) =3151a(21) =3401a(22) =3529a(23) =3599a(24) =3961a(25) =4031a(26) =4159a(27) =4409a(28) =4481a(29) =4591