# A058956 (b-file synthesized from sequence entry) 0 1 1 3 2 27 3 1 4 4374 5 98415 6 885735 7 3720087 8 55801305 9 1291401630 10 813583026900 11 4027235983155 12 724902476967900 13 7710326345931300 14 5343256157730390900 15 52845390570959910 16 5770716650348822172000 17 441459823751684896158000