# A026645 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 5 4 14 5 21 6 55 7 85 8 216 9 341 10 848 11 1365 12 3340 13 5461 14 13191 15 21845 16 52208 17 87381 18 206968 19 349525 20 821514 21 1398101 22 3264044 23 5592405 24 12979006 25 22369621 26 51642594 27 89478485 28 205592744 29 357913941 30 818848135 31 1431655765