# A129410 (b-file synthesized from sequence entry) 1 1 2 8 3 13 4 16 5 64 6 6951 7 206515 8 344040 9 11364380 10 14595803 11 136951831 12 417525297 13 691111129 14 982473113 15 15154864245 16 17661539909 17 31435459113 18 49634203300 19 1454188399688 20 2112564552862 21 2266989878695 22 5056833185437 23 8740145960744