# A022800 (b-file synthesized from sequence entry) 1 3 2 7 3 11 4 15 5 22 6 31 7 45 8 67 9 103 10 159 11 249 12 394 13 628 14 1006 15 1617 16 2606 17 4204 18 6789 19 10971 20 17737 21 28684 22 46396 23 75054 24 121423 25 196449 26 317843 27 514262 28 832075 29 1346305 30 2178346 31 3524616 32 5702926 33 9227505