# A155629 (b-file synthesized from sequence entry) 0 1 1 5 2 49 3 449 4 3841 5 31745 6 258049 7 2080769 8 16711681 9 133955585 10 1072693249 11 8585740289 12 68702699521 13 549688705025 14 4397778075649 15 35183298347009 16 281470681743361 17 2251782633816065 18 18014329790005249 19 144114913197948929