A260743 Sequence A261220 shown in factorial base: a(n) = A007623(A261220(n)).
0, 1, 10, 20, 100, 101, 200, 220, 300, 310, 1000, 1001, 1010, 1020, 2000, 2001, 2200, 2300, 3000, 3020, 3100, 3300, 4000, 4010, 4100, 4200, 10000, 10001, 10010, 10020, 10100, 10101, 10200, 10220, 10300, 10310, 20000, 20001, 20010, 20020, 22000, 22001, 23000, 23020, 24000, 24010, 30000, 30001, 30200, 30300, 31000, 31001, 33000, 33300, 34000, 34200, 40000, 40020, 40100, 40300, 41000, 41020, 42000, 42300
Offset: 0