# A375653 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 13 4 49 5 321 6 1891 7 13693 8 113793 9 942049 10 9428131 11 93837261 12 1043918833 13 12318170593 14 151123106499 15 2024107965181 16 27672074520961 17 406722703307073 18 6188268876372163 19 98499148173678349 20 1645657615850089521 21 28317883192163927041