# A019164 (b-file synthesized from sequence entry) 3 0 4 0 5 6 6 3 7 3 8 36 9 55 10 88 11 293 12 622 13 1275 14 3321 15 8111 16 19719 17 50176 18 127767 19 330678 20 860375 21 2243544 22 5920336 23 15645065 24 41326177 25 109675127 26 291443985 27 774395373 28 2061553580 29 5495695788 30 14661522117 31 39166097080