# A095341 (b-file synthesized from sequence entry) 1 0 2 2 3 3 4 8 5 20 6 54 7 140 8 384 9 1035 10 2860 11 7909 12 22104 13 61958 14 174804 15 494595 16 1404976 17 4001477 18 11427246 19 32702021 20 93773520 21 269350788 22 774880304 23 2232269163 24 6438788520 25 18593124600 26 53746540770 27 155510185770 28 450344561212 29 1305204921801 30 3785596629240 31 10987232275507