# A128848 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 5 4 16 5 37 6 53 7 355 8 1118 9 3709 10 8536 11 12245 12 204456 13 421157 14 1467927 15 1889084 16 5246095 17 7135179 18 12381274 19 93804097 20 106185371 21 306174839 22 412360210 23 718535049 24 1130895259 25 2980325567 26 16032523094 27 35045371755