# A367715 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 8 4 16 5 33 6 68 7 140 8 288 9 594 10 1225 11 2526 12 5208 13 10740 14 22148 15 45673 16 94184 17 194224 18 400524 19 825950 20 1703249 21 3512395 22 7243168 23 14936668 24 30801992 25 63519044 26 130987274 27 270118452 28 557031032 29 1148694482 30 2368807011 31 4884890405 32 10073490200