Least integer k > 0 such that A000041(k) is divisible by 2^n.

Terms

a(0) =1a(1) =2a(2) =11a(3) =11a(4) =15a(5) =66a(6) =66a(7) =96a(8) =96a(9) =96a(10) =96a(11) =96a(12) =3693a(13) =15005a(14) =18978a(15) =18978a(16) =18978a(17) =43002a(18) =55943a(19) =972190a(20) =1151214a(21) =2799146a(22) =15519397a(23) =15519397a(24) =15519397a(25) =122101417a(26) =210553237a(27) =289585489a(28) =473093534