# A019163 (b-file synthesized from sequence entry) 3 0 4 0 5 5 6 7 7 7 8 28 9 67 10 113 11 281 12 690 13 1450 14 3359 15 8590 16 20542 17 49507 18 127719 19 328222 20 836251 21 2183226 22 5752972 23 15123063 24 40005561 25 106343713 26 282743044 27 752928537 28 2008752748 29 5363109922 30 14330737673 31 38333393789