# A244750 (b-file synthesized from sequence entry) 1 0 2 2 3 3 4 4 5 8 6 16 7 32 8 64 9 128 10 256 11 512 12 1024 13 2048 14 4096 15 8192 16 16384 17 32768 18 65536 19 131072 20 262144