# A011823 (b-file synthesized from sequence entry) 1 2 2 9 3 256 4 21147 5 1673856 6 89026966 7 3099627142 8 74407044673 9 1306811152024 10 17675571563918 11 191922235160156 12 1729283934497328 13 13277799809473332 14 88759840725469601 15 525698154348040682