# A087973 (b-file synthesized from sequence entry) 1 16 2 52 3 9232 4 244 5 9232 6 2464 7 10528 8 19684 9 88576 10 2270104 11 1008916 12 1594324 13 7174456 14 65451076 15 64570084 16 129140164 17 1570824736 18 1961316232 19 8825923024 20 10460353204 21 47071589416 22 105911076184 23 423644304724 24 66034034786644