# A147279 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 9 11 17 12 33 13 105 14 379 15 919 16 2871 17 9565 18 62893 19 248053 20 1633141 21 8782131 22 72370235