# A154144 (b-file synthesized from sequence entry) 1 2 2 8 3 23 4 53 5 138 6 312 7 807 8 1821 9 4706 10 10616 11 27431 12 61877 13 159882 14 360648 15 931863 16 2102013 17 5431298 18 12251432 19 31655927 20 71406581 21 184504266 22 416188056 23 1075369671 24 2425721757 25 6267713762 26 14138142488 27 36530912903 28 82403133173 29 212917763658 30 480280656552