# A176903 (b-file synthesized from sequence entry) 1 3 2 7 3 13 4 61 5 2521 6 55441 7 4324321 8 367567201 9 6064949221531201 10 9200527969062830401 11 37188534050951960476801 12 8201519488959040182625924708238885435575055666675808001