# A099932 (b-file synthesized from sequence entry) 0 1 1 2 2 -1 3 4 4 -4 5 8 6 -12 7 2 8 16 9 -32 10 16 11 32 12 -80 13 80 14 -16 15 64 16 -192 17 320 18 -192 19 128 20 -448 21 1120 22 -1344 23 272 24 256 25 -1024 26 3584 27 -7168 28 4352 29 512 30 -2304 31 10752 32 -32256 33 39168 34 -7936 35 1024 36 -5120 37 30720 38 -129024 39 261120 40 -158720 41 2048 42 -11264