# A019240 (b-file synthesized from sequence entry) 3 0 4 1 5 2 6 8 7 8 8 17 9 36 10 92 11 150 12 450 13 994 14 2538 15 6376 16 16262 17 41688 18 106612 19 276186 20 715846 21 1842938 22 4781414 23 12339054 24 32042540 25 83067330 26 215979914 27 562923018 28 1469848660 29 3846114754 30 10088441010 31 26508267458