# A108439 (b-file synthesized from sequence entry) 1 2 2 4 3 6 4 20 5 12 6 34 7 132 8 60 9 68 10 238 11 996 12 396 13 340 14 476 15 1858 16 8132 17 2988 18 2244 19 2380 20 3716 21 15510 22 69940 23 24396 24 16932 25 15708 26 18580 27 31020 28 135490 29 624132 30 209820 31 138244 32 118524 33 122628 34 155100 35 270980 36 1223134 37 5725124 38 1872396 39 1188980