# A017531 (b-file synthesized from sequence entry) 0 0 1 743008370688 2 1521681143169024 3 131621703842267136 4 3116402981210161152 5 36279705600000000000 6 269561249468963094528 7 1469170321634239709184 8 6382393305518410039296 9 23316389970546096340992 10 74300837068800000000000