# A107942 (b-file synthesized from sequence entry) 0 1 1 28 2 300 3 1925 4 8918 5 32928 6 102816 7 282150 8 698775 9 1591876 10 3383380 11 6782139 12 12931100 13 23609600 14 41505024 15 70570332 16 116486397 17 187250700 18 293916700 19 451511137 20 680159634 21 1006454240 22 1465100000 23 2100881250 24 2970992115