# A153906 (b-file synthesized from sequence entry) 0 1 1 2 2 2 3 3 4 3 5 4 6 6 7 11 8 18 9 31 10 50 11 107 12 181 13 433 14 779 15 1919 16 3907 17 10795 18 25121 19 75000 20 190622 21 625348 22 1698419 23 6161541 24 18153209 25 72093319 26 233832256 27 1013942489 28 3627226950 29 17175822290 30 67626821845