# A150379 (b-file synthesized from sequence entry) 0 1 1 2 2 7 3 23 4 96 5 370 6 1643 7 6824 8 31221 9 135436 10 631150 11 2817122 12 13290164 13 60514837 14 287997406 15 1330702476 16 6374589927 17 29784488597 18 143405492880 19 675927722056 20 3267624438222 21 15509916130328 22 75226676585775 23 359115015008040 24 1746556659204420 25 8377307907639883 26 40836931059233461 27 196655385772154455