# A278989 (b-file synthesized from sequence entry) 0 0 1 0 2 1 3 1 4 4 5 11 6 41 7 162 8 715 9 3425 10 16777 11 80928 12 379347 13 1726375 14 7654817 15 33219630 16 141692075 17 596122477 18 2480969257 19 10237751324 20 41963944275 21 171103765747 22 694775280993 23 2812004330666 24 11352134320523 25 45736973060601 26 183981143571721 27 739167464021912 28 2966826380664595 29 11899055223201855