# A135050 (b-file synthesized from sequence entry) 1 2 2 5 3 8 4 11 5 101 6 1001 7 10001 8 100001 9 1000001 10 10000001 11 100000001 12 1000000001 13 10000000001 14 100000000001 15 1000000000001 16 10000000000001 17 100000000000001 18 1000000000000001 19 10000000000000001 20 100000000000000001 21 1000000000000000001 22 10000000000000000001