# A277236 (b-file synthesized from sequence entry) 0 1 1 4 2 10 3 26 4 66 5 170 6 434 7 1114 8 2850 9 7306 10 18706 11 47930 12 122754 13 314474 14 805490 15 2063386 16 5285346 17 13538890 18 34680274 19 88835834 20 227556930 21 582900266 22 1493127986 23 3824729050 24 9797240994 25 25096157194 26 64285121170 27 164669749946 28 421810234626 29 1080489234410 30 2767730172914