# A226447 (b-file synthesized from sequence entry) 0 1 1 -1 2 1 3 -2 4 4 5 -5 6 9 7 -15 8 23 9 -38 10 62 11 -99 12 161 13 -261 14 421 15 -682 16 1104 17 -1785 18 2889 19 -4675 20 7563 21 -12238 22 19802 23 -32039 24 51841 25 -83881 26 135721 27 -219602 28 355324 29 -574925 30 930249 31 -1505175 32 2435423 33 -3940598 34 6376022 35 -10316619 36 16692641 37 -27009261 38 43701901 39 -70711162 40 114413064 41 -185124225