# A294909 (b-file synthesized from sequence entry) 1 1 2 3 3 5 4 6 5 9 6 13 7 120 8 220 9 568 10 640 11 666 12 1205 13 1600 14 2479 15 2482 16 2939 17 3077 18 8649 19 9520 20 12407 21 33421 22 36162 23 41190 24 65340