# A177182 (b-file synthesized from sequence entry) 0 1 1 7 2 11 3 67 4 283 5 1619 6 8667 7 50707 8 296283 9 1790163 10 10921563 11 67745043 12 424241371 13 2684071891 14 17112955099 15 109899184403 16 710063310427 17 4612990492883 18 30113345315163 19 197433924622099 20 1299499526756827