Least k>1 such that complement of first n terms of A022303 repeats beginning at k-th term.

Terms

a(0) =2a(1) =2a(2) =2a(3) =15a(4) =15a(5) =15a(6) =15a(7) =41a(8) =41a(9) =41a(10) =41a(11) =41a(12) =41a(13) =41a(14) =41a(15) =41a(16) =41a(17) =41a(18) =41a(19) =41a(20) =41a(21) =123a(22) =123a(23) =123a(24) =123a(25) =123a(26) =123a(27) =123a(28) =123a(29) =123