series,x,y
2 to the power of b,1,2
2 to the power of b,2,4
2 to the power of b,3,8
2 to the power of b,4,16
2 to the power of b,5,32
2 to the power of b,6,64
2 to the power of b,7,128
2 to the power of b,8,256
2 to the power of b,9,512
2 to the power of b,10,1024
2 to the power of b,11,2048
2 to the power of b,12,4096
2 to the power of b,13,8192
2 to the power of b,14,16384
2 to the power of b,15,32768
2 to the power of b,16,65536
2 to the power of b,17,131072
2 to the power of b,18,262144
2 to the power of b,19,524288
2 to the power of b,20,1048576
2 to the power of b,21,2097152
2 to the power of b,22,4194304
2 to the power of b,23,8388608
2 to the power of b,24,16777216
2 to the power of b,25,33554432
2 to the power of b,26,67108864
2 to the power of b,27,134217728
2 to the power of b,28,268435456
2 to the power of b,29,536870912
2 to the power of b,30,1073741824
2 to the power of b,31,2147483648
2 to the power of b,32,4294967296