# A371372 (b-file synthesized from sequence entry) 0 0 1 1 2 5 3 40 4 405 5 4626 6 56360 7 716430 8 9392085 9 126044248 10 1723083930 11 23910223514 12 335912566824 13 4768447532200 14 68291880722182 15 985538181002940 16 14317376105810133 17 209213540276280758 18 3073003751985537656 19 45346188478477675122 20 671920054584212646330 21 9993514798883508502188