# A326999 (b-file synthesized from sequence entry) 0 1 1 1 2 36 3 6306 4 3156336 5 3501788976 6 7425169747776 7 27322211071838736 8 163058737794666253056 9 1500955605765318574331136 10 20488125782700503099836056576 11 401537703770887804145153979250176 12 10992280532048388256580758224034983936 13 410332411533091221236570416481170032685056