# A351152 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 6 4 37 5 240 6 1693 7 13446 8 122329 9 1261104 10 14332681 11 175123446 12 2267871517 13 30981705984 14 446571784261 15 6798161166486 16 109220619908593 17 1846729159654560 18 32726973173941585 19 605358657750562470 20 11648701234354836565 21 232655173657593759312