# A294160 (b-file synthesized from sequence entry) 0 1 1 1 2 4 3 29 4 274 5 3145 6 42294 7 651227 8 11295242 9 217954807 10 4632600152 11 107572674851 12 2710093290348 13 73635362430373 14 2146667383237600 15 66842659455306545 16 2214207331808233390 17 77752904712525291757 18 2885163506590219810722 19 112808263228714108970879