# A200220 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 6 4 10 5 24 6 52 7 105 8 238 9 495 10 1068 11 2304 12 4893 13 10556 14 22570 15 48363 16 103805 17 222224 18 476634 19 1021515 20 2189200 21 4693415 22 10058607 23 21561120 24 46215400 25 99056688 26 212327858 27 455105352 28 975492413 29 2090916520 30 4481729501 31 9606342690 32 20590584676 33 44134642493 34 94599971180