# A173596 (b-file synthesized from sequence entry) 1 311 2 733 3 991 4 1511 5 1811 6 3433 7 3733 8 7717 9 7757 10 16111 11 79777 12 99989 13 112111 14 333323 15 334333 16 733333 17 778777 18 787777 19 911111 20 999199 21 1171111 22 3733333 23 9999299 24 11131111 25 11911111