# A150113 (b-file synthesized from sequence entry) 0 1 1 2 2 6 3 19 4 70 5 262 6 1032 7 4112 8 16957 9 70398 10 298251 11 1270136 12 5487853 13 23805317 14 104335318 15 458787703 16 2033142273 17 9034828874 18 40391226251 19 181002360289 20 814984158174 21 3677166565567 22 16655289870081 23 75576045748501 24 344027018703874 25 1568580172677172 26 7170851368252416 27 32829693164473705