# A121244 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 0 5 2 6 11 7 41 8 136 9 437 10 1397 11 4490 12 14554 13 47683 14 158093 15 530265 16 1797631 17 6153650 18 21252343 19 73986392 20 259434758 21 915667537 22 3251026851 23 11605063370 24 41631062856 25 150021553132 26 542875085143 27 1972049524959