# A261091 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 1 4 2 5 2 6 3 7 5 8 8 9 11 10 17 11 25 12 37 13 56 14 85 15 130 16 199 17 305 18 469 19 723 20 1118 21 1733 22 2693 23 4193 24 6539 25 10211 26 15962 27 24974 28 39103 29 61262 30 96030 31 150608 32 236338 33 371101 34 583118 35 916978 36 1443204 37 2273434 38 3584522 39 5656786 40 8934696 41 14123156 42 22340250