# A293851 (b-file synthesized from sequence entry) 1 2 2 12 3 18 4 24 5 42 6 54 7 250 8 378 9 472 10 490 11 722 12 2722 13 3109 14 3296 15 7342 16 10507 17 14206 18 20088 19 27542 20 65507 21 76220