# A085941 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 8 4 16 5 32 6 64 7 128 8 256 9 512 10 3 11 6 12 12 13 24 14 48 15 96 16 192 17 384 18 768 19 1536 20 9 21 18 22 36