# A075489 (b-file synthesized from sequence entry) 1 1 2 10 3 76 4 570 5 4784 6 43590 7 435004 8 4738392 9 55972218 10 713630736 11 9777359856 12 143350864898 13 2240419421284 14 37194276947898 15 653800845663788 16 12132997533521320 17 237076055569553246 18 4865738414759433466 19 104661156692004606078 20 2354571975178917773640