# A152166 (b-file synthesized from sequence entry) 0 1 1 -2 2 2 3 -4 4 4 5 -8 6 8 7 -16 8 16 9 -32 10 32 11 -64 12 64 13 -128 14 128 15 -256 16 256 17 -512 18 512 19 -1024 20 1024 21 -2048 22 2048 23 -4096 24 4096 25 -8192 26 8192 27 -16384 28 16384 29 -32768 30 32768 31 -65536 32 65536 33 -131072 34 131072 35 -262144 36 262144 37 -524288 38 524288 39 -1048576 40 1048576