# A331082 (b-file synthesized from sequence entry) 1 3 2 21 3 63 4 189 5 567 6 693 7 3969 8 2079 9 5733 10 6237 11 413343 12 9009 13 74529 14 43659 15 51597 16 27027 17 1750329 18 63063 19 26040609 20 81081 21 464373 22 670761 23 219667417263 24 153153 25 2528253 26 819819 27 693693 28 729729 29 160137547184727 30 567567 31 6036849 32 459459 33 37614213 34 19253619