# A120430 (b-file synthesized from sequence entry) 1 2 2 3 3 4 4 5 5 8 6 9 7 17 8 32 9 128 10 257 11 8192 12 65537 13 131072 14 524288 15 2147483648 16 2305843009213693952 17 618970019642690137449562112 18 162259276829213363391578010288128