# A368931 (b-file synthesized from sequence entry) 0 1 1 2 2 7 3 31 4 154 5 819 6 4560 7 26244 8 154874 9 932074 10 5698745 11 35297535 12 221016593 13 1396717756 14 8896798020 15 57062237502 16 368201804973 17 2388587515239 18 15568995139404 19 101913055166811 20 669678357109300 21 4415837460391845 22 29210203356645090