# A375373 (b-file synthesized from sequence entry) 0 1 1 -2 2 4 3 -4 4 6 5 -4 6 9 7 -4 8 16 9 0 10 28 11 16 12 57 13 58 14 132 15 172 16 322 17 476 18 817 19 1272 20 2112 21 3360 22 5496 23 8832 24 14353 25 23158 26 37540 27 60668 28 98238 29 158876 30 257145 31 415988 32 673168 33 1089120 34 1762324 35 2851408 36 4613769 37 7465138 38 12078948 39 19544044 40 31623034 41 51167036