# A081084 (b-file synthesized from sequence entry) 1 8 2 48 3 224 4 960 5 65024 6 261120 7 1046528 8 4190208 9 268402688 10 1073676288 11 4294836224 12 17179607040 13 70368727400448 14 4503599493152768 15 18014398241046528 16 72057593501057024 17 288230375077969920