# A047024 (b-file synthesized from sequence entry) 2 1 3 2 4 3 5 7 6 38 7 66 8 293 9 1144 10 5452 11 22610 12 89617 13 370658 14 1495184 15 5933517 16 23790663 17 94871091 18 376066283 19 1494417598 20 5930990794 21 23487622433 22 93066819110 23 368664549287 24 1459293473323 25 5777177019563 26 22871054333027