# A140992 (b-file synthesized from sequence entry) 0 0 1 1 2 2 3 5 4 11 5 23 6 46 7 89 8 168 9 311 10 567 11 1021 12 1820 13 3217 14 5646 15 9849 16 17091 17 29523 18 50794 19 87081 20 148820 21 253611 22 431087 23 731065 24 1237176 25 2089633 26 3523226 27 5930669 28 9968123 29 16730831 30 28045222 31 46954361 32 78524160 33 131181407