# A035239 (b-file synthesized from sequence entry)
1 1
2 12
3 123
4 1234
5 12345
6 123456
7 1234567
8 12345678
9 123456789
10 1023456789
11 11023456789
12 101123456789
13 1011213456789
14 10112131456789
15 101121314156789
16 1011213141516789
17 10112131415161789
18 101121314151617189