# A127056 (b-file synthesized from sequence entry) 0 1 1 2 2 9 3 65 4 719 5 9258 6 133147 7 2477468 8 48452299 9 1000726573 10 21842234124 11 581937143077 12 15852410442671 13 445324580169954 14 12948991063890911 15 390296042740795497 16 13861395944764722457 17 498320813544545374474