a(1) = 1, a(2) = 0; for n >= 3, a(n) = least number not included earlier that divides the concatenation of all previous terms.

A241811

a(1) = 1, a(2) = 0; for n >= 3, a(n) = least number not included earlier that divides the concatenation of all previous terms.

Terms

    a(0) =1a(1) =0a(2) =2a(3) =3a(4) =11a(5) =71a(6) =29a(7) =9a(8) =683a(9) =67a(10) =7a(11) =743a(12) =739a(13) =1933a(14) =23a(15) =161a(16) =21a(17) =37a(18) =19a(19) =17a(20) =119a(21) =49a(22) =332534262883a(23) =13a(24) =39a(26) =83a(27) =111a(29) =5431567a(30) =70610371a(31) =69

External references