# A278969 (b-file synthesized from sequence entry) 1 1 2 7 3 28 4 84 5 210 6 462 7 924 8 1716 9 3003 10 5004 11 7995 12 12306 13 18312 14 26418 15 37038 16 50568 17 67353 18 87648 19 111573 20 139068 21 169863 22 203463 23 239148 24 275988 25 312873 26 348558 27 381723 28 411048 29 435303 30 453438 31 464653 32 468448 33 464653 34 453438 35 435303 36 411048 37 381723 38 348558 39 312873 40 275988 41 239148 42 203463 43 169863 44 139068 45 111573 46 87648 47 67353 48 50568 49 37038 50 26418 51 18312 52 12306 53 7995 54 5004 55 3003 56 1716 57 924 58 462 59 210 60 84 61 28 62 7 63 1