# A087481 (b-file synthesized from sequence entry) 1 2 2 4 3 4 4 16 5 12 6 48 7 64 8 192 9 260 10 1024 11 1128 12 4096 13 4480 14 13310 15 20620 16 65434 17 76376 18 262144 19 358532 20 932134 21 1391720 22 4194090 23 5447256 24 16570740 25 23153832 26 61696126 27 97361128