# A351028 (b-file synthesized from sequence entry) 0 0 1 1 2 0 3 1 4 4 5 13 6 44 7 173 8 792 9 4009 10 21608 11 122761 12 737340 13 4696341 14 31665076 15 224846037 16 1672266352 17 12976252561 18 104816144656 19 880061135057 20 7670326372532 21 69286959112797 22 647568753568636 23 6251768635591613 24 62255057942504968 25 638658964709824185