# A111569 (b-file synthesized from sequence entry) 0 -1 1 1 2 2 3 1 4 1 5 4 6 7 7 9 8 14 9 25 10 41 11 64 12 103 13 169 14 274 15 441 16 713 17 1156 18 1871 19 3025 20 4894 21 7921 22 12817 23 20736 24 33551 25 54289 26 87842 27 142129 28 229969 29 372100 30 602071 31 974169 32 1576238 33 2550409 34 4126649 35 6677056 36 10803703 37 17480761 38 28284466 39 45765225