# A027609 (b-file synthesized from sequence entry) 1 4 2 7 3 16 4 35 5 87 6 217 7 549 8 1412 9 3678 10 9621 11 25296 12 66736 13 176536 14 467997 15 1242483 16 3302289 17 8784053 18 23380493 19 62260291 20 165852147 21 441922282 22 1177759339 23 3139292093 24 8368647138 25 22310795824 26 59484268377 27 158602342445 28 422894828107 29 1127630055692