# A122023 (b-file synthesized from sequence entry) 1 0 2 1 3 3 4 11 5 29 6 109 7 283 8 795 9 2061 10 5053 11 13099 12 30091 13 78013 14 173453 15 449723 16 983163 17 2549229 18 5523677 19 14322635 20 30887915 21 80092061 22 172288429 23 446745691 24 959703003 25 2488530381 26 5341975549 27 13851888235 28 29723290699 29 77073397885