# A159277 (b-file synthesized from sequence entry) 0 0 1 8 2 32 3 384 4 2560 5 22528 6 172032 7 1409024 8 11141120 9 89653248 10 715128832 11 5729419264 12 45801799680 13 366548615168 14 2931852050432 15 23456963887104 16 187647121162240 17 1501211329036288 18 12009553193336832 19 96076975302508544