# A031140 (b-file synthesized from sequence entry) 1 10 2 20 3 30 4 40 5 46 6 68 7 93 8 95 9 129 10 176 11 229 12 700 13 1757 14 1958 15 7931 16 57356 17 269518 18 411658 19 675531 20 749254 21 4400728 22 18894561 23 33250486 24 58903708 25 297751737 26 325226398 27 781717865 28 18504580518 29 27893737353 30 103233492954