# A370274 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 16 4 67 5 276 6 1212 7 5391 8 24003 9 107719 10 486728 11 2208735 12 10059868 13 45970367 14 210657177 15 967636566 16 4454109123 17 20540731356 18 94882599285 19 438931979661 20 2033217678792 21 9429562243530 22 43779688919145 23 203463271733010 24 946445226206940 25 4406251540834026