# A211893 (b-file synthesized from sequence entry) 0 1 1 3 2 6 3 36 4 561 5 98211 6 43176384 7 116622937722 8 1022189210900601 9 41675008108242048327 10 6377839090284322052067558 11 4114890941608928235401688095580 12 10460015732506081308723488849683574907 13 108482611110966450613465001912856742180485969