Numbers of rank 11 in the poset of lunar numbers.

Terms

a(0) =1000a(1) =1100a(2) =1110a(3) =1111a(4) =10100a(5) =11112a(6) =11120a(7) =11121a(8) =11122a(9) =11200a(10) =11210a(11) =11211a(12) =11220a(13) =11221a(14) =11222a(15) =12000a(16) =12100a(17) =12110a(18) =12111a(19) =12200a(20) =12210a(21) =12211a(22) =12220a(23) =12221a(24) =12222a(25) =20000a(26) =21000a(27) =21100a(28) =21110a(29) =21111