# A307073 (b-file synthesized from sequence entry) 0 1 1 1 2 4 3 11 4 33 5 94 6 279 7 803 8 2348 9 6823 10 19879 11 57834 12 168405 13 490125 14 1426824 15 4153197 16 12089787 17 35191868 18 102440785 19 298194567 20 868017488 21 2526715121 22 7355031727 23 21409798576 24 62321907805 25 181413177769 26 528076639862 27 1537181201003 28 4474589318797 29 13025106833162 30 37914855831345