# A128554 (b-file synthesized from sequence entry) 0 1 1 7 2 39 3 155 4 526 5 1555 6 4192 7 10465 8 24620 9 55038 10 117966 11 243723 12 487842 13 949446 14 1802547 15 3346632 16 6089910 17 10881277 18 19121293 19 33091141 20 56466398 21 95105255 22 158256685 23 260386761 24 423932473 25 683409993 26 1091521679 27 1728156294