# A037638 (b-file synthesized from sequence entry) 1 2 2 21 3 213 4 2132 5 21321 6 213213 7 2132132 8 21321321 9 213213213 10 2132132132 11 21321321321 12 213213213213 13 2132132132132 14 21321321321321 15 213213213213213 16 2132132132132132